81609716

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{2887}}^1$

素因数の和:3119

約数の個数: 24

約数和(自身を含む): 147495936

約数和(自身を除く): 65886220

約数列:

[1, 2, 4, 37, 74, 148, 191, 382, 764, 2887, 5774, 7067, 11548, 14134, 28268, 106819, 213638, 427276, 551417, 1102834, 2205668, 20402429, 40804858, 81609716]

約数ペア:

[(1, 81609716), (2, 40804858), (4, 20402429), (37, 2205668), (74, 1102834), (148, 551417), (191, 427276), (382, 213638), (764, 106819), (2887, 28268), (5774, 14134), (7067, 11548)]