28219630

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6703}}^1$

素因数の和:7131

約数の個数: 16

約数和(自身を含む): 50923584

約数和(自身を除く): 22703954

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 6703, 13406, 33515, 67030, 2821963, 5643926, 14109815, 28219630]

約数ペア:

[(1, 28219630), (2, 14109815), (5, 5643926), (10, 2821963), (421, 67030), (842, 33515), (2105, 13406), (4210, 6703)]