30995725

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 39673800

約数和(自身を除く): 8678075

約数列:

[1, 5, 25, 53, 149, 157, 265, 745, 785, 1325, 3725, 3925, 7897, 8321, 23393, 39485, 41605, 116965, 197425, 208025, 584825, 1239829, 6199145, 30995725]

約数ペア:

[(1, 30995725), (5, 6199145), (25, 1239829), (53, 584825), (149, 208025), (157, 197425), (265, 116965), (745, 41605), (785, 39485), (1325, 23393), (3725, 8321), (3925, 7897)]