87747325

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 111321000

約数和(自身を除く): 23573675

約数列:

[1, 5, 25, 89, 113, 349, 445, 565, 1745, 2225, 2825, 8725, 10057, 31061, 39437, 50285, 155305, 197185, 251425, 776525, 985925, 3509893, 17549465, 87747325]

約数ペア:

[(1, 87747325), (5, 17549465), (25, 3509893), (89, 985925), (113, 776525), (349, 251425), (445, 197185), (565, 155305), (1745, 50285), (2225, 39437), (2825, 31061), (8725, 10057)]