4721015

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 6342048

約数和(自身を除く): 1621033

約数列:

[1, 5, 13, 37, 65, 151, 169, 185, 481, 755, 845, 1963, 2405, 5587, 6253, 9815, 25519, 27935, 31265, 72631, 127595, 363155, 944203, 4721015]

約数ペア:

[(1, 4721015), (5, 944203), (13, 363155), (37, 127595), (65, 72631), (151, 31265), (169, 27935), (185, 25519), (481, 9815), (755, 6253), (845, 5587), (1963, 2405)]