161557732

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1777}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 344107008

約数和(自身を除く): 182549276

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 191, 238, 382, 476, 764, 1337, 1777, 2674, 3247, 3554, 5348, 6494, 7108, 12439, 12988, 22729, 24878, 30209, 45458, 49756, 60418, 90916, 120836, 211463, 339407, 422926, 678814, 845852, 1357628, 2375849, 4751698, 5769919, 9503396, 11539838, 23079676, 40389433, 80778866, 161557732]

約数ペア:

[(1, 161557732), (2, 80778866), (4, 40389433), (7, 23079676), (14, 11539838), (17, 9503396), (28, 5769919), (34, 4751698), (68, 2375849), (119, 1357628), (191, 845852), (238, 678814), (382, 422926), (476, 339407), (764, 211463), (1337, 120836), (1777, 90916), (2674, 60418), (3247, 49756), (3554, 45458), (5348, 30209), (6494, 24878), (7108, 22729), (12439, 12988)]