221791248

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:131

約数の個数: 270

約数和(自身を含む): 782713854

約数和(自身を除く): 560922606

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 43, 48, 49, 51, 56, 63, 68, 72, 84, 86, 98, 102, 112, 119, 126, 129, 136, 144, 147, 153, 168, 172, 196, 204, 238, 252, 258, 272, 294, 301, 306, 336, 344, 357, 387, 392, 408, 441, 476, 504, 516, 588, 602, 612, 688, 714, 731, 774, 784, 816, 833, 882, 903, 952, 1008, 1032, 1071, 1176, 1204, 1224, 1428, 1462, 1548, 1666, 1764, 1806, 1849, 1904, 2064, 2107, 2142, 2193, 2352, 2408, 2448, 2499, 2709, 2856, 2924, 3096, 3332, 3528, 3612, 3698, 4214, 4284, 4386, 4816, 4998, 5117, 5418, 5547, 5712, 5848, 6192, 6321, 6579, 6664, 7056, 7224, 7396, 7497, 8428, 8568, 8772, 9996, 10234, 10836, 11094, 11696, 12642, 12943, 13158, 13328, 14448, 14792, 14994, 15351, 16641, 16856, 17136, 17544, 18963, 19992, 20468, 21672, 22188, 25284, 25886, 26316, 29584, 29988, 30702, 31433, 33282, 33712, 35088, 35819, 37926, 38829, 39984, 40936, 43344, 44376, 46053, 50568, 51772, 52632, 59976, 61404, 62866, 66564, 71638, 75852, 77658, 81872, 88752, 90601, 92106, 94299, 101136, 103544, 105264, 107457, 116487, 119952, 122808, 125732, 133128, 143276, 151704, 155316, 181202, 184212, 188598, 207088, 214914, 220031, 232974, 245616, 251464, 266256, 271803, 282897, 286552, 303408, 310632, 322371, 362404, 368424, 377196, 429828, 440062, 465948, 502928, 543606, 565794, 573104, 621264, 644742, 660093, 724808, 736848, 754392, 815409, 859656, 880124, 931896, 1087212, 1131588, 1289484, 1320186, 1449616, 1508784, 1540217, 1630818, 1719312, 1760248, 1863792, 1980279, 2174424, 2263176, 2578968, 2640372, 3080434, 3261636, 3520496, 3960558, 4348848, 4526352, 4620651, 5157936, 5280744, 6160868, 6523272, 7921116, 9241302, 10561488, 12321736, 13046544, 13861953, 15842232, 18482604, 24643472, 27723906, 31684464, 36965208, 55447812, 73930416, 110895624, 221791248]

約数ペア:

[(1, 221791248), (2, 110895624), (3, 73930416), (4, 55447812), (6, 36965208), (7, 31684464), (8, 27723906), (9, 24643472), (12, 18482604), (14, 15842232), (16, 13861953), (17, 13046544), (18, 12321736), (21, 10561488), (24, 9241302), (28, 7921116), (34, 6523272), (36, 6160868), (42, 5280744), (43, 5157936), (48, 4620651), (49, 4526352), (51, 4348848), (56, 3960558), (63, 3520496), (68, 3261636), (72, 3080434), (84, 2640372), (86, 2578968), (98, 2263176), (102, 2174424), (112, 1980279), (119, 1863792), (126, 1760248), (129, 1719312), (136, 1630818), (144, 1540217), (147, 1508784), (153, 1449616), (168, 1320186), (172, 1289484), (196, 1131588), (204, 1087212), (238, 931896), (252, 880124), (258, 859656), (272, 815409), (294, 754392), (301, 736848), (306, 724808), (336, 660093), (344, 644742), (357, 621264), (387, 573104), (392, 565794), (408, 543606), (441, 502928), (476, 465948), (504, 440062), (516, 429828), (588, 377196), (602, 368424), (612, 362404), (688, 322371), (714, 310632), (731, 303408), (774, 286552), (784, 282897), (816, 271803), (833, 266256), (882, 251464), (903, 245616), (952, 232974), (1008, 220031), (1032, 214914), (1071, 207088), (1176, 188598), (1204, 184212), (1224, 181202), (1428, 155316), (1462, 151704), (1548, 143276), (1666, 133128), (1764, 125732), (1806, 122808), (1849, 119952), (1904, 116487), (2064, 107457), (2107, 105264), (2142, 103544), (2193, 101136), (2352, 94299), (2408, 92106), (2448, 90601), (2499, 88752), (2709, 81872), (2856, 77658), (2924, 75852), (3096, 71638), (3332, 66564), (3528, 62866), (3612, 61404), (3698, 59976), (4214, 52632), (4284, 51772), (4386, 50568), (4816, 46053), (4998, 44376), (5117, 43344), (5418, 40936), (5547, 39984), (5712, 38829), (5848, 37926), (6192, 35819), (6321, 35088), (6579, 33712), (6664, 33282), (7056, 31433), (7224, 30702), (7396, 29988), (7497, 29584), (8428, 26316), (8568, 25886), (8772, 25284), (9996, 22188), (10234, 21672), (10836, 20468), (11094, 19992), (11696, 18963), (12642, 17544), (12943, 17136), (13158, 16856), (13328, 16641), (14448, 15351), (14792, 14994)]