31139975

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 39750432

約数和(自身を除く): 8610457

約数列:

[1, 5, 25, 73, 113, 151, 365, 565, 755, 1825, 2825, 3775, 8249, 11023, 17063, 41245, 55115, 85315, 206225, 275575, 426575, 1245599, 6227995, 31139975]

約数ペア:

[(1, 31139975), (5, 6227995), (25, 1245599), (73, 426575), (113, 275575), (151, 206225), (365, 85315), (565, 55115), (755, 41245), (1825, 17063), (2825, 11023), (3775, 8249)]