13765975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 18260240

約数和(自身を除く): 4494265

約数列:

[1, 5, 19, 25, 73, 95, 365, 397, 475, 1387, 1825, 1985, 6935, 7543, 9925, 28981, 34675, 37715, 144905, 188575, 550639, 724525, 2753195, 13765975]

約数ペア:

[(1, 13765975), (5, 2753195), (19, 724525), (25, 550639), (73, 188575), (95, 144905), (365, 37715), (397, 34675), (475, 28981), (1387, 9925), (1825, 7543), (1985, 6935)]