327668510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{5987}}^1$

素因数の和:6428

約数の個数: 32

約数和(自身を含む): 636787872

約数和(自身を除く): 309119362

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 421, 842, 2105, 4210, 5473, 5987, 10946, 11974, 27365, 29935, 54730, 59870, 77831, 155662, 389155, 778310, 2520527, 5041054, 12602635, 25205270, 32766851, 65533702, 163834255, 327668510]

約数ペア:

[(1, 327668510), (2, 163834255), (5, 65533702), (10, 32766851), (13, 25205270), (26, 12602635), (65, 5041054), (130, 2520527), (421, 778310), (842, 389155), (2105, 155662), (4210, 77831), (5473, 59870), (5987, 54730), (10946, 29935), (11974, 27365)]