31519030

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 58226688

約数和(自身を除く): 26707658

約数列:

[1, 2, 5, 10, 71, 103, 142, 206, 355, 431, 515, 710, 862, 1030, 2155, 4310, 7313, 14626, 30601, 36565, 44393, 61202, 73130, 88786, 153005, 221965, 306010, 443930, 3151903, 6303806, 15759515, 31519030]

約数ペア:

[(1, 31519030), (2, 15759515), (5, 6303806), (10, 3151903), (71, 443930), (103, 306010), (142, 221965), (206, 153005), (355, 88786), (431, 73130), (515, 61202), (710, 44393), (862, 36565), (1030, 30601), (2155, 14626), (4310, 7313)]