212157025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{16103}}^1$

素因数の和:16161

約数の個数: 24

約数和(自身を含む): 287553024

約数和(自身を除く): 75395999

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 2635, 13175, 16103, 80515, 273751, 402575, 499193, 1368755, 2495965, 6843775, 8486281, 12479825, 42431405, 212157025]

約数ペア:

[(1, 212157025), (5, 42431405), (17, 12479825), (25, 8486281), (31, 6843775), (85, 2495965), (155, 1368755), (425, 499193), (527, 402575), (775, 273751), (2635, 80515), (13175, 16103)]