81180068

素因数分解:

$2^2\times {\mathrm{103}}^2\times {\mathrm{1913}}^1$

素因数の和:2123

約数の個数: 18

約数和(自身を含む): 143532774

約数和(自身を除く): 62352706

約数列:

[1, 2, 4, 103, 206, 412, 1913, 3826, 7652, 10609, 21218, 42436, 197039, 394078, 788156, 20295017, 40590034, 81180068]

約数ペア:

[(1, 81180068), (2, 40590034), (4, 20295017), (103, 788156), (206, 394078), (412, 197039), (1913, 42436), (3826, 21218), (7652, 10609)]