31930115

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2459}}^1$

素因数の和:2531

約数の個数: 24

約数和(自身を含む): 45431280

約数和(自身を除く): 13501165

約数列:

[1, 5, 7, 35, 49, 53, 245, 265, 371, 1855, 2459, 2597, 12295, 12985, 17213, 86065, 120491, 130327, 602455, 651635, 912289, 4561445, 6386023, 31930115]

約数ペア:

[(1, 31930115), (5, 6386023), (7, 4561445), (35, 912289), (49, 651635), (53, 602455), (245, 130327), (265, 120491), (371, 86065), (1855, 17213), (2459, 12985), (2597, 12295)]