20131209124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{311957}}^1$

素因数の和:312064

約数の個数: 48

約数和(自身を含む): 40721749488

約数和(自身を除く): 20590540364

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 73, 146, 221, 292, 442, 884, 949, 1241, 1898, 2482, 3796, 4964, 16133, 32266, 64532, 311957, 623914, 1247828, 4055441, 5303269, 8110882, 10606538, 16221764, 21213076, 22772861, 45545722, 68942497, 91091444, 137884994, 275769988, 296047193, 387138637, 592094386, 774277274, 1184188772, 1548554548, 5032802281, 10065604562, 20131209124]

約数ペア:

[(1, 20131209124), (2, 10065604562), (4, 5032802281), (13, 1548554548), (17, 1184188772), (26, 774277274), (34, 592094386), (52, 387138637), (68, 296047193), (73, 275769988), (146, 137884994), (221, 91091444), (292, 68942497), (442, 45545722), (884, 22772861), (949, 21213076), (1241, 16221764), (1898, 10606538), (2482, 8110882), (3796, 5303269), (4964, 4055441), (16133, 1247828), (32266, 623914), (64532, 311957)]