1280491812

素因数分解:

$2^2\times 3^2\times {\mathrm{35569217}}^1$

素因数の和:35569227

約数の個数: 18

約数和(自身を含む): 3236798838

約数和(自身を除く): 1956307026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 35569217, 71138434, 106707651, 142276868, 213415302, 320122953, 426830604, 640245906, 1280491812]

約数ペア:

[(1, 1280491812), (2, 640245906), (3, 426830604), (4, 320122953), (6, 213415302), (9, 142276868), (12, 106707651), (18, 71138434), (36, 35569217)]