71913205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2591}}^1$

素因数の和:2677

約数の個数: 32

約数和(自身を含む): 107993088

約数和(自身を除く): 36079883

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 793, 2135, 2591, 3965, 5551, 12955, 18137, 27755, 33683, 90685, 158051, 168415, 235781, 790255, 1106357, 1178905, 2054663, 5531785, 10273315, 14382641, 71913205]

約数ペア:

[(1, 71913205), (5, 14382641), (7, 10273315), (13, 5531785), (35, 2054663), (61, 1178905), (65, 1106357), (91, 790255), (305, 235781), (427, 168415), (455, 158051), (793, 90685), (2135, 33683), (2591, 27755), (3965, 18137), (5551, 12955)]