39400406

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{701}}^1$

素因数の和:1039

約数の個数: 16

約数和(自身を含む): 59894640

約数和(自身を除く): 20494234

約数列:

[1, 2, 157, 179, 314, 358, 701, 1402, 28103, 56206, 110057, 125479, 220114, 250958, 19700203, 39400406]

約数ペア:

[(1, 39400406), (2, 19700203), (157, 250958), (179, 220114), (314, 125479), (358, 110057), (701, 56206), (1402, 28103)]