668864766

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{1022729}}^1$

素因数の和:1022843

約数の個数: 16

約数和(自身を含む): 1350003600

約数和(自身を除く): 681138834

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 1022729, 2045458, 3068187, 6136374, 111477461, 222954922, 334432383, 668864766]

約数ペア:

[(1, 668864766), (2, 334432383), (3, 222954922), (6, 111477461), (109, 6136374), (218, 3068187), (327, 2045458), (654, 1022729)]