81541366

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{1279}}^1$

素因数の和:1659

約数の個数: 16

約数和(自身を含む): 123863040

約数和(自身を除く): 42321674

約数列:

[1, 2, 127, 251, 254, 502, 1279, 2558, 31877, 63754, 162433, 321029, 324866, 642058, 40770683, 81541366]

約数ペア:

[(1, 81541366), (2, 40770683), (127, 642058), (251, 324866), (254, 321029), (502, 162433), (1279, 63754), (2558, 31877)]