64860575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8677}}^1$

素因数の和:8723

約数の個数: 24

約数和(自身を含む): 90390048

約数和(自身を除く): 25529473

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 7475, 8677, 43385, 112801, 199571, 216925, 564005, 997855, 2594423, 2820025, 4989275, 12972115, 64860575]

約数ペア:

[(1, 64860575), (5, 12972115), (13, 4989275), (23, 2820025), (25, 2594423), (65, 997855), (115, 564005), (299, 216925), (325, 199571), (575, 112801), (1495, 43385), (7475, 8677)]