1318395745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139439}}^1$

素因数の和:139536

約数の個数: 16

約数和(自身を含む): 1659893760

約数和(自身を除く): 341498015

約数列:

[1, 5, 31, 61, 155, 305, 1891, 9455, 139439, 697195, 4322609, 8505779, 21613045, 42528895, 263679149, 1318395745]

約数ペア:

[(1, 1318395745), (5, 263679149), (31, 42528895), (61, 21613045), (155, 8505779), (305, 4322609), (1891, 697195), (9455, 139439)]