12779428

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 23063040

約数和(自身を除く): 10283612

約数列:

[1, 2, 4, 43, 86, 172, 191, 382, 389, 764, 778, 1556, 8213, 16426, 16727, 32852, 33454, 66908, 74299, 148598, 297196, 3194857, 6389714, 12779428]

約数ペア:

[(1, 12779428), (2, 6389714), (4, 3194857), (43, 297196), (86, 148598), (172, 74299), (191, 66908), (382, 33454), (389, 32852), (764, 16727), (778, 16426), (1556, 8213)]