81343838

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1\times {\mathrm{1031}}^1$

素因数の和:1519

約数の個数: 16

約数和(自身を含む): 123641856

約数和(自身を除く): 42298018

約数列:

[1, 2, 103, 206, 383, 766, 1031, 2062, 39449, 78898, 106193, 212386, 394873, 789746, 40671919, 81343838]

約数ペア:

[(1, 81343838), (2, 40671919), (103, 789746), (206, 394873), (383, 212386), (766, 106193), (1031, 78898), (2062, 39449)]