27881210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{398303}}^1$

素因数の和:398317

約数の個数: 16

約数和(自身を含む): 57355776

約数和(自身を除く): 29474566

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 398303, 796606, 1991515, 2788121, 3983030, 5576242, 13940605, 27881210]

約数ペア:

[(1, 27881210), (2, 13940605), (5, 5576242), (7, 3983030), (10, 2788121), (14, 1991515), (35, 796606), (70, 398303)]