661072216

素因数分解:

$2^3\times 7^1\times {\mathrm{11804861}}^1$

素因数の和:11804874

約数の個数: 16

約数和(自身を含む): 1416583440

約数和(自身を除く): 755511224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 11804861, 23609722, 47219444, 82634027, 94438888, 165268054, 330536108, 661072216]

約数ペア:

[(1, 661072216), (2, 330536108), (4, 165268054), (7, 94438888), (8, 82634027), (14, 47219444), (28, 23609722), (56, 11804861)]