38721475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 52014032

約数和(自身を除く): 13292557

約数列:

[1, 5, 13, 25, 65, 283, 325, 421, 1415, 2105, 3679, 5473, 7075, 10525, 18395, 27365, 91975, 119143, 136825, 595715, 1548859, 2978575, 7744295, 38721475]

約数ペア:

[(1, 38721475), (5, 7744295), (13, 2978575), (25, 1548859), (65, 595715), (283, 136825), (325, 119143), (421, 91975), (1415, 27365), (2105, 18395), (3679, 10525), (5473, 7075)]