668840406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8574877}}^1$

素因数の和:8574895

約数の個数: 16

約数和(自身を含む): 1440579504

約数和(自身を除く): 771739098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 8574877, 17149754, 25724631, 51449262, 111473401, 222946802, 334420203, 668840406]

約数ペア:

[(1, 668840406), (2, 334420203), (3, 222946802), (6, 111473401), (13, 51449262), (26, 25724631), (39, 17149754), (78, 8574877)]