639852

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 1516032

約数和(自身を除く): 876180

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 751, 852, 1502, 2253, 3004, 4506, 9012, 53321, 106642, 159963, 213284, 319926, 639852]

約数ペア:

[(1, 639852), (2, 319926), (3, 213284), (4, 159963), (6, 106642), (12, 53321), (71, 9012), (142, 4506), (213, 3004), (284, 2253), (426, 1502), (751, 852)]