64857325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 87135048

約数和(自身を除く): 22277723

約数列:

[1, 5, 13, 25, 65, 197, 325, 985, 1013, 2561, 4925, 5065, 12805, 13169, 25325, 64025, 65845, 199561, 329225, 997805, 2594293, 4989025, 12971465, 64857325]

約数ペア:

[(1, 64857325), (5, 12971465), (13, 4989025), (25, 2594293), (65, 997805), (197, 329225), (325, 199561), (985, 65845), (1013, 64025), (2561, 25325), (4925, 13169), (5065, 12805)]