165164425

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{557}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 212765400

約数和(自身を除く): 47600975

約数列:

[1, 5, 25, 29, 145, 409, 557, 725, 2045, 2785, 10225, 11861, 13925, 16153, 59305, 80765, 227813, 296525, 403825, 1139065, 5695325, 6606577, 33032885, 165164425]

約数ペア:

[(1, 165164425), (5, 33032885), (25, 6606577), (29, 5695325), (145, 1139065), (409, 403825), (557, 296525), (725, 227813), (2045, 80765), (2785, 59305), (10225, 16153), (11861, 13925)]