161806316

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{42181}}^1$

素因数の和:42329

約数の個数: 24

約数和(自身を含む): 325982496

約数和(自身を除く): 164176180

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 42181, 84362, 168724, 295267, 590534, 1181068, 5778797, 11557594, 23115188, 40451579, 80903158, 161806316]

約数ペア:

[(1, 161806316), (2, 80903158), (4, 40451579), (7, 23115188), (14, 11557594), (28, 5778797), (137, 1181068), (274, 590534), (548, 295267), (959, 168724), (1918, 84362), (3836, 42181)]