165655225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{953}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 218256120

約数和(自身を除く): 52600895

約数列:

[1, 5, 17, 25, 85, 409, 425, 953, 2045, 4765, 6953, 10225, 16201, 23825, 34765, 81005, 173825, 389777, 405025, 1948885, 6626209, 9744425, 33131045, 165655225]

約数ペア:

[(1, 165655225), (5, 33131045), (17, 9744425), (25, 6626209), (85, 1948885), (409, 405025), (425, 389777), (953, 173825), (2045, 81005), (4765, 34765), (6953, 23825), (10225, 16201)]