66681775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 86105600

約数和(自身を除く): 19423825

約数列:

[1, 5, 25, 31, 139, 155, 619, 695, 775, 3095, 3475, 4309, 15475, 19189, 21545, 86041, 95945, 107725, 430205, 479725, 2151025, 2667271, 13336355, 66681775]

約数ペア:

[(1, 66681775), (5, 13336355), (25, 2667271), (31, 2151025), (139, 479725), (155, 430205), (619, 107725), (695, 95945), (775, 86041), (3095, 21545), (3475, 19189), (4309, 15475)]