31328725

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 40221632

約数和(自身を除く): 8892907

約数列:

[1, 5, 25, 43, 151, 193, 215, 755, 965, 1075, 3775, 4825, 6493, 8299, 29143, 32465, 41495, 145715, 162325, 207475, 728575, 1253149, 6265745, 31328725]

約数ペア:

[(1, 31328725), (5, 6265745), (25, 1253149), (43, 728575), (151, 207475), (193, 162325), (215, 145715), (755, 41495), (965, 32465), (1075, 29143), (3775, 8299), (4825, 6493)]