139640402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{20023}}^1$

素因数の和:20353

約数の個数: 16

約数和(自身を含む): 229234752

約数和(自身を除く): 89594350

約数列:

[1, 2, 11, 22, 317, 634, 3487, 6974, 20023, 40046, 220253, 440506, 6347291, 12694582, 69820201, 139640402]

約数ペア:

[(1, 139640402), (2, 69820201), (11, 12694582), (22, 6347291), (317, 440506), (634, 220253), (3487, 40046), (6974, 20023)]