156942305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1097}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 212502528

約数和(自身を除く): 55560223

約数列:

[1, 5, 13, 31, 65, 71, 155, 355, 403, 923, 1097, 2015, 2201, 4615, 5485, 11005, 14261, 28613, 34007, 71305, 77887, 143065, 170035, 389435, 442091, 1012531, 2210455, 2414497, 5062655, 12072485, 31388461, 156942305]

約数ペア:

[(1, 156942305), (5, 31388461), (13, 12072485), (31, 5062655), (65, 2414497), (71, 2210455), (155, 1012531), (355, 442091), (403, 389435), (923, 170035), (1097, 143065), (2015, 77887), (2201, 71305), (4615, 34007), (5485, 28613), (11005, 14261)]