221543856

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:352

約数の個数: 160

約数和(自身を含む): 668528640

約数和(自身を除く): 446984784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 71, 72, 93, 108, 124, 142, 144, 186, 213, 216, 233, 248, 279, 284, 372, 426, 432, 466, 496, 558, 568, 639, 699, 744, 837, 852, 932, 1116, 1136, 1278, 1398, 1488, 1674, 1704, 1864, 1917, 2097, 2201, 2232, 2556, 2796, 3348, 3408, 3728, 3834, 4194, 4402, 4464, 5112, 5592, 6291, 6603, 6696, 7223, 7668, 8388, 8804, 10224, 11184, 12582, 13206, 13392, 14446, 15336, 16543, 16776, 17608, 19809, 21669, 25164, 26412, 28892, 30672, 33086, 33552, 35216, 39618, 43338, 49629, 50328, 52824, 57784, 59427, 65007, 66172, 79236, 86676, 99258, 100656, 105648, 115568, 118854, 130014, 132344, 148887, 158472, 173352, 195021, 198516, 237708, 260028, 264688, 297774, 316944, 346704, 390042, 397032, 446661, 475416, 512833, 520056, 595548, 780084, 794064, 893322, 950832, 1025666, 1040112, 1191096, 1538499, 1560168, 1786644, 2051332, 2382192, 3076998, 3120336, 3573288, 4102664, 4615497, 6153996, 7146576, 8205328, 9230994, 12307992, 13846491, 18461988, 24615984, 27692982, 36923976, 55385964, 73847952, 110771928, 221543856]

約数ペア:

[(1, 221543856), (2, 110771928), (3, 73847952), (4, 55385964), (6, 36923976), (8, 27692982), (9, 24615984), (12, 18461988), (16, 13846491), (18, 12307992), (24, 9230994), (27, 8205328), (31, 7146576), (36, 6153996), (48, 4615497), (54, 4102664), (62, 3573288), (71, 3120336), (72, 3076998), (93, 2382192), (108, 2051332), (124, 1786644), (142, 1560168), (144, 1538499), (186, 1191096), (213, 1040112), (216, 1025666), (233, 950832), (248, 893322), (279, 794064), (284, 780084), (372, 595548), (426, 520056), (432, 512833), (466, 475416), (496, 446661), (558, 397032), (568, 390042), (639, 346704), (699, 316944), (744, 297774), (837, 264688), (852, 260028), (932, 237708), (1116, 198516), (1136, 195021), (1278, 173352), (1398, 158472), (1488, 148887), (1674, 132344), (1704, 130014), (1864, 118854), (1917, 115568), (2097, 105648), (2201, 100656), (2232, 99258), (2556, 86676), (2796, 79236), (3348, 66172), (3408, 65007), (3728, 59427), (3834, 57784), (4194, 52824), (4402, 50328), (4464, 49629), (5112, 43338), (5592, 39618), (6291, 35216), (6603, 33552), (6696, 33086), (7223, 30672), (7668, 28892), (8388, 26412), (8804, 25164), (10224, 21669), (11184, 19809), (12582, 17608), (13206, 16776), (13392, 16543), (14446, 15336)]