161161868

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{42013}}^1$

素因数の和:42161

約数の個数: 24

約数和(自身を含む): 324684192

約数和(自身を除く): 163522324

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 42013, 84026, 168052, 294091, 588182, 1176364, 5755781, 11511562, 23023124, 40290467, 80580934, 161161868]

約数ペア:

[(1, 161161868), (2, 80580934), (4, 40290467), (7, 23023124), (14, 11511562), (28, 5755781), (137, 1176364), (274, 588182), (548, 294091), (959, 168052), (1918, 84026), (3836, 42013)]