66680644

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{234791}}^1$

素因数の和:234866

約数の個数: 12

約数和(自身を含む): 118335168

約数和(自身を除く): 51654524

約数列:

[1, 2, 4, 71, 142, 284, 234791, 469582, 939164, 16670161, 33340322, 66680644]

約数ペア:

[(1, 66680644), (2, 33340322), (4, 16670161), (71, 939164), (142, 469582), (284, 234791)]