71806084

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{18719}}^1$

素因数の和:18867

約数の個数: 24

約数和(自身を含む): 144668160

約数和(自身を除く): 72862076

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 18719, 37438, 74876, 131033, 262066, 524132, 2564503, 5129006, 10258012, 17951521, 35903042, 71806084]

約数ペア:

[(1, 71806084), (2, 35903042), (4, 17951521), (7, 10258012), (14, 5129006), (28, 2564503), (137, 524132), (274, 262066), (548, 131033), (959, 74876), (1918, 37438), (3836, 18719)]