81193718

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{4943}}^1$

素因数の和:5179

約数の個数: 16

約数和(自身を含む): 125300736

約数和(自身を除く): 44107018

約数列:

[1, 2, 43, 86, 191, 382, 4943, 8213, 9886, 16426, 212549, 425098, 944113, 1888226, 40596859, 81193718]

約数ペア:

[(1, 81193718), (2, 40596859), (43, 1888226), (86, 944113), (191, 425098), (382, 212549), (4943, 16426), (8213, 9886)]