1313996225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{3331}}^1$

素因数の和:3881

約数の個数: 24

約数和(自身を含む): 1685725440

約数和(自身を除く): 371729215

約数列:

[1, 5, 25, 31, 155, 509, 775, 2545, 3331, 12725, 15779, 16655, 78895, 83275, 103261, 394475, 516305, 1695479, 2581525, 8477395, 42386975, 52559849, 262799245, 1313996225]

約数ペア:

[(1, 1313996225), (5, 262799245), (25, 52559849), (31, 42386975), (155, 8477395), (509, 2581525), (775, 1695479), (2545, 516305), (3331, 394475), (12725, 103261), (15779, 83275), (16655, 78895)]