177994505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 246758400

約数和(自身を除く): 68763895

約数列:

[1, 5, 13, 17, 65, 79, 85, 221, 395, 1027, 1105, 1343, 2039, 5135, 6715, 10195, 17459, 26507, 34663, 87295, 132535, 161081, 173315, 450619, 805405, 2094053, 2253095, 2738377, 10470265, 13691885, 35598901, 177994505]

約数ペア:

[(1, 177994505), (5, 35598901), (13, 13691885), (17, 10470265), (65, 2738377), (79, 2253095), (85, 2094053), (221, 805405), (395, 450619), (1027, 173315), (1105, 161081), (1343, 132535), (2039, 87295), (5135, 34663), (6715, 26507), (10195, 17459)]