81917881

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{733}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 88361856

約数和(自身を除く): 6443975

約数列:

[1, 23, 43, 113, 733, 989, 2599, 4859, 16859, 31519, 82829, 111757, 724937, 1905067, 3561647, 81917881]

約数ペア:

[(1, 81917881), (23, 3561647), (43, 1905067), (113, 724937), (733, 111757), (989, 82829), (2599, 31519), (4859, 16859)]