4007666

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 24

約数和(自身を含む): 6640704

約数和(自身を除く): 2633038

約数列:

[1, 2, 13, 26, 71, 142, 167, 169, 334, 338, 923, 1846, 2171, 4342, 11857, 11999, 23714, 23998, 28223, 56446, 154141, 308282, 2003833, 4007666]

約数ペア:

[(1, 4007666), (2, 2003833), (13, 308282), (26, 154141), (71, 56446), (142, 28223), (167, 23998), (169, 23714), (334, 11999), (338, 11857), (923, 4342), (1846, 2171)]