42178825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{557}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 56668248

約数和(自身を除く): 14489423

約数列:

[1, 5, 13, 25, 65, 233, 325, 557, 1165, 2785, 3029, 5825, 7241, 13925, 15145, 36205, 75725, 129781, 181025, 648905, 1687153, 3244525, 8435765, 42178825]

約数ペア:

[(1, 42178825), (5, 8435765), (13, 3244525), (25, 1687153), (65, 648905), (233, 181025), (325, 129781), (557, 75725), (1165, 36205), (2785, 15145), (3029, 13925), (5825, 7241)]