166639850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{256369}}^1$

素因数の和:256394

約数の個数: 24

約数和(自身を含む): 333793740

約数和(自身を除く): 167153890

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 256369, 512738, 1281845, 2563690, 3332797, 6409225, 6665594, 12818450, 16663985, 33327970, 83319925, 166639850]

約数ペア:

[(1, 166639850), (2, 83319925), (5, 33327970), (10, 16663985), (13, 12818450), (25, 6665594), (26, 6409225), (50, 3332797), (65, 2563690), (130, 1281845), (325, 512738), (650, 256369)]