639968496

素因数分解:

$2^4\times 3^1\times {\mathrm{13332677}}^1$

素因数の和:13332688

約数の個数: 20

約数和(自身を含む): 1653252072

約数和(自身を除く): 1013283576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13332677, 26665354, 39998031, 53330708, 79996062, 106661416, 159992124, 213322832, 319984248, 639968496]

約数ペア:

[(1, 639968496), (2, 319984248), (3, 213322832), (4, 159992124), (6, 106661416), (8, 79996062), (12, 53330708), (16, 39998031), (24, 26665354), (48, 13332677)]