213613690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{521009}}^1$

素因数の和:521057

約数の個数: 16

約数和(自身を含む): 393883560

約数和(自身を除く): 180269870

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 521009, 1042018, 2605045, 5210090, 21361369, 42722738, 106806845, 213613690]

約数ペア:

[(1, 213613690), (2, 106806845), (5, 42722738), (10, 21361369), (41, 5210090), (82, 2605045), (205, 1042018), (410, 521009)]