209317073

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{4259}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 262245600

約数和(自身を除く): 52928527

約数列:

[1, 7, 17, 49, 59, 119, 413, 833, 1003, 2891, 4259, 7021, 29813, 49147, 72403, 208691, 251281, 506821, 1758967, 3547747, 4271777, 12312769, 29902439, 209317073]

約数ペア:

[(1, 209317073), (7, 29902439), (17, 12312769), (49, 4271777), (59, 3547747), (119, 1758967), (413, 506821), (833, 251281), (1003, 208691), (2891, 72403), (4259, 49147), (7021, 29813)]