64579775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1823}}^1$

素因数の和:1955

約数の個数: 24

約数和(自身を含む): 87077760

約数和(自身を除く): 22497985

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 1823, 2725, 7085, 9115, 23699, 35425, 45575, 118495, 198707, 592475, 993535, 2583191, 4967675, 12915955, 64579775]

約数ペア:

[(1, 64579775), (5, 12915955), (13, 4967675), (25, 2583191), (65, 993535), (109, 592475), (325, 198707), (545, 118495), (1417, 45575), (1823, 35425), (2725, 23699), (7085, 9115)]