221254990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2011409}}^1$

素因数の和:2011427

約数の個数: 16

約数和(自身を含む): 434464560

約数和(自身を除く): 213209570

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2011409, 4022818, 10057045, 20114090, 22125499, 44250998, 110627495, 221254990]

約数ペア:

[(1, 221254990), (2, 110627495), (5, 44250998), (10, 22125499), (11, 20114090), (22, 10057045), (55, 4022818), (110, 2011409)]