64538825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{569}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 86583000

約数和(自身を除く): 22044175

約数列:

[1, 5, 13, 25, 65, 325, 349, 569, 1745, 2845, 4537, 7397, 8725, 14225, 22685, 36985, 113425, 184925, 198581, 992905, 2581553, 4964525, 12907765, 64538825]

約数ペア:

[(1, 64538825), (5, 12907765), (13, 4964525), (25, 2581553), (65, 992905), (325, 198581), (349, 184925), (569, 113425), (1745, 36985), (2845, 22685), (4537, 14225), (7397, 8725)]