208889492

素因数分解:

$2^2\times 7^1\times {\mathrm{2221}}^1\times {\mathrm{3359}}^1$

素因数の和:5591

約数の個数: 24

約数和(自身を含む): 418091520

約数和(自身を除く): 209202028

約数列:

[1, 2, 4, 7, 14, 28, 2221, 3359, 4442, 6718, 8884, 13436, 15547, 23513, 31094, 47026, 62188, 94052, 7460339, 14920678, 29841356, 52222373, 104444746, 208889492]

約数ペア:

[(1, 208889492), (2, 104444746), (4, 52222373), (7, 29841356), (14, 14920678), (28, 7460339), (2221, 94052), (3359, 62188), (4442, 47026), (6718, 31094), (8884, 23513), (13436, 15547)]