161198905

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{75503}}^1$

素因数の和:75576

約数の個数: 16

約数和(自身を含む): 224699904

約数和(自身を除く): 63500999

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 75503, 377515, 528521, 2642605, 4605683, 23028415, 32239781, 161198905]

約数ペア:

[(1, 161198905), (5, 32239781), (7, 23028415), (35, 4605683), (61, 2642605), (305, 528521), (427, 377515), (2135, 75503)]