209317367

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 251504064

約数和(自身を除く): 42186697

約数列:

[1, 7, 47, 49, 97, 329, 679, 937, 2303, 4559, 4753, 6559, 31913, 44039, 45913, 90889, 223391, 308273, 636223, 2157911, 4271783, 4453561, 29902481, 209317367]

約数ペア:

[(1, 209317367), (7, 29902481), (47, 4453561), (49, 4271783), (97, 2157911), (329, 636223), (679, 308273), (937, 223391), (2303, 90889), (4559, 45913), (4753, 44039), (6559, 31913)]