201285205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 268894080

約数和(自身を除く): 67608875

約数列:

[1, 5, 11, 55, 113, 139, 233, 565, 695, 1165, 1243, 1529, 2563, 6215, 7645, 12815, 15707, 26329, 32387, 78535, 131645, 161935, 172777, 289619, 356257, 863885, 1448095, 1781285, 3659731, 18298655, 40257041, 201285205]

約数ペア:

[(1, 201285205), (5, 40257041), (11, 18298655), (55, 3659731), (113, 1781285), (139, 1448095), (233, 863885), (565, 356257), (695, 289619), (1165, 172777), (1243, 161935), (1529, 131645), (2563, 78535), (6215, 32387), (7645, 26329), (12815, 15707)]