154842025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 211398672

約数和(自身を除く): 56556647

約数列:

[1, 5, 13, 25, 65, 67, 169, 325, 335, 547, 845, 871, 1675, 2735, 4225, 4355, 7111, 11323, 13675, 21775, 35555, 36649, 56615, 92443, 177775, 183245, 283075, 462215, 476437, 916225, 2311075, 2382185, 6193681, 11910925, 30968405, 154842025]

約数ペア:

[(1, 154842025), (5, 30968405), (13, 11910925), (25, 6193681), (65, 2382185), (67, 2311075), (169, 916225), (325, 476437), (335, 462215), (547, 283075), (845, 183245), (871, 177775), (1675, 92443), (2735, 56615), (4225, 36649), (4355, 35555), (7111, 21775), (11323, 13675)]