221440624

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{20029}}^1$

素因数の和:20728

約数の個数: 20

約数和(自身を含む): 429683560

約数和(自身を除く): 208242936

約数列:

[1, 2, 4, 8, 16, 691, 1382, 2764, 5528, 11056, 20029, 40058, 80116, 160232, 320464, 13840039, 27680078, 55360156, 110720312, 221440624]

約数ペア:

[(1, 221440624), (2, 110720312), (4, 55360156), (8, 27680078), (16, 13840039), (691, 320464), (1382, 160232), (2764, 80116), (5528, 40058), (11056, 20029)]