68291915

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2957}}^1$

素因数の和:3142

約数の個数: 16

約数和(自身を含む): 85190400

約数和(自身を除く): 16898485

約数列:

[1, 5, 31, 149, 155, 745, 2957, 4619, 14785, 23095, 91667, 440593, 458335, 2202965, 13658383, 68291915]

約数ペア:

[(1, 68291915), (5, 13658383), (31, 2202965), (149, 458335), (155, 440593), (745, 91667), (2957, 23095), (4619, 14785)]