257910336

素因数分解:

$2^6\times 3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 168

約数和(自身を含む): 773301984

約数和(自身を除く): 515391648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 64, 67, 72, 82, 96, 123, 134, 144, 163, 164, 192, 201, 246, 268, 288, 326, 328, 369, 402, 489, 492, 536, 576, 603, 652, 656, 738, 804, 978, 984, 1072, 1206, 1304, 1312, 1467, 1476, 1608, 1956, 1968, 2144, 2412, 2608, 2624, 2747, 2934, 2952, 3216, 3912, 3936, 4288, 4824, 5216, 5494, 5868, 5904, 6432, 6683, 7824, 7872, 8241, 9648, 10432, 10921, 10988, 11736, 11808, 12864, 13366, 15648, 16482, 19296, 20049, 21842, 21976, 23472, 23616, 24723, 26732, 31296, 32763, 32964, 38592, 40098, 43684, 43952, 46944, 49446, 53464, 60147, 65526, 65928, 80196, 87368, 87904, 93888, 98289, 98892, 106928, 120294, 131052, 131856, 160392, 174736, 175808, 196578, 197784, 213856, 240588, 262104, 263712, 320784, 349472, 393156, 395568, 427712, 447761, 481176, 524208, 527424, 641568, 698944, 786312, 791136, 895522, 962352, 1048416, 1283136, 1343283, 1572624, 1582272, 1791044, 1924704, 2096832, 2686566, 3145248, 3582088, 3849408, 4029849, 5373132, 6290496, 7164176, 8059698, 10746264, 14328352, 16119396, 21492528, 28656704, 32238792, 42985056, 64477584, 85970112, 128955168, 257910336]

約数ペア:

[(1, 257910336), (2, 128955168), (3, 85970112), (4, 64477584), (6, 42985056), (8, 32238792), (9, 28656704), (12, 21492528), (16, 16119396), (18, 14328352), (24, 10746264), (32, 8059698), (36, 7164176), (41, 6290496), (48, 5373132), (64, 4029849), (67, 3849408), (72, 3582088), (82, 3145248), (96, 2686566), (123, 2096832), (134, 1924704), (144, 1791044), (163, 1582272), (164, 1572624), (192, 1343283), (201, 1283136), (246, 1048416), (268, 962352), (288, 895522), (326, 791136), (328, 786312), (369, 698944), (402, 641568), (489, 527424), (492, 524208), (536, 481176), (576, 447761), (603, 427712), (652, 395568), (656, 393156), (738, 349472), (804, 320784), (978, 263712), (984, 262104), (1072, 240588), (1206, 213856), (1304, 197784), (1312, 196578), (1467, 175808), (1476, 174736), (1608, 160392), (1956, 131856), (1968, 131052), (2144, 120294), (2412, 106928), (2608, 98892), (2624, 98289), (2747, 93888), (2934, 87904), (2952, 87368), (3216, 80196), (3912, 65928), (3936, 65526), (4288, 60147), (4824, 53464), (5216, 49446), (5494, 46944), (5868, 43952), (5904, 43684), (6432, 40098), (6683, 38592), (7824, 32964), (7872, 32763), (8241, 31296), (9648, 26732), (10432, 24723), (10921, 23616), (10988, 23472), (11736, 21976), (11808, 21842), (12864, 20049), (13366, 19296), (15648, 16482)]