289708132

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{252359}}^1$

素因数の和:252411

約数の個数: 24

約数和(自身を含む): 593550720

約数和(自身を除く): 303842588

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 252359, 504718, 1009436, 1766513, 3533026, 7066052, 10346719, 20693438, 41386876, 72427033, 144854066, 289708132]

約数ペア:

[(1, 289708132), (2, 144854066), (4, 72427033), (7, 41386876), (14, 20693438), (28, 10346719), (41, 7066052), (82, 3533026), (164, 1766513), (287, 1009436), (574, 504718), (1148, 252359)]