221467792

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4111}}^1$

素因数の和:4176

約数の個数: 80

約数和(自身を含む): 542520832

約数和(自身を除く): 321053040

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 182, 208, 259, 296, 364, 481, 518, 592, 728, 962, 1036, 1456, 1924, 2072, 3367, 3848, 4111, 4144, 6734, 7696, 8222, 13468, 16444, 26936, 28777, 32888, 53443, 53872, 57554, 65776, 106886, 115108, 152107, 213772, 230216, 304214, 374101, 427544, 460432, 608428, 748202, 855088, 1064749, 1216856, 1496404, 1977391, 2129498, 2433712, 2992808, 3954782, 4258996, 5985616, 7909564, 8517992, 13841737, 15819128, 17035984, 27683474, 31638256, 55366948, 110733896, 221467792]

約数ペア:

[(1, 221467792), (2, 110733896), (4, 55366948), (7, 31638256), (8, 27683474), (13, 17035984), (14, 15819128), (16, 13841737), (26, 8517992), (28, 7909564), (37, 5985616), (52, 4258996), (56, 3954782), (74, 2992808), (91, 2433712), (104, 2129498), (112, 1977391), (148, 1496404), (182, 1216856), (208, 1064749), (259, 855088), (296, 748202), (364, 608428), (481, 460432), (518, 427544), (592, 374101), (728, 304214), (962, 230216), (1036, 213772), (1456, 152107), (1924, 115108), (2072, 106886), (3367, 65776), (3848, 57554), (4111, 53872), (4144, 53443), (6734, 32888), (7696, 28777), (8222, 26936), (13468, 16444)]