74128925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13417}}^1$

素因数の和:13457

約数の個数: 24

約数和(自身を含む): 104821416

約数和(自身を除く): 30692491

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 13417, 67085, 174421, 228089, 335425, 872105, 1140445, 2965157, 4360525, 5702225, 14825785, 74128925]

約数ペア:

[(1, 74128925), (5, 14825785), (13, 5702225), (17, 4360525), (25, 2965157), (65, 1140445), (85, 872105), (221, 335425), (325, 228089), (425, 174421), (1105, 67085), (5525, 13417)]