161609905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 213373440

約数和(自身を除く): 51763535

約数列:

[1, 5, 17, 41, 79, 85, 205, 395, 587, 697, 1343, 2935, 3239, 3485, 6715, 9979, 16195, 24067, 46373, 49895, 55063, 120335, 231865, 275315, 409139, 788341, 1901293, 2045695, 3941705, 9506465, 32321981, 161609905]

約数ペア:

[(1, 161609905), (5, 32321981), (17, 9506465), (41, 3941705), (79, 2045695), (85, 1901293), (205, 788341), (395, 409139), (587, 275315), (697, 231865), (1343, 120335), (2935, 55063), (3239, 49895), (3485, 46373), (6715, 24067), (9979, 16195)]