208371485

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{283}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 290906880

約数和(自身を除く): 82535395

約数列:

[1, 5, 7, 35, 109, 193, 283, 545, 763, 965, 1351, 1415, 1981, 3815, 6755, 9905, 21037, 30847, 54619, 105185, 147259, 154235, 215929, 273095, 382333, 736295, 1079645, 1911665, 5953471, 29767355, 41674297, 208371485]

約数ペア:

[(1, 208371485), (5, 41674297), (7, 29767355), (35, 5953471), (109, 1911665), (193, 1079645), (283, 736295), (545, 382333), (763, 273095), (965, 215929), (1351, 154235), (1415, 147259), (1981, 105185), (3815, 54619), (6755, 30847), (9905, 21037)]