9780781664

素因数分解:

$2^5\times {\mathrm{305649427}}^1$

素因数の和:305649437

約数の個数: 12

約数和(自身を含む): 19255913964

約数和(自身を除く): 9475132300

約数列:

[1, 2, 4, 8, 16, 32, 305649427, 611298854, 1222597708, 2445195416, 4890390832, 9780781664]

約数ペア:

[(1, 9780781664), (2, 4890390832), (4, 2445195416), (8, 1222597708), (16, 611298854), (32, 305649427)]