81987598

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3391}}^1$

素因数の和:3568

約数の個数: 32

約数和(自身を含む): 154349568

約数和(自身を除く): 72361970

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 157, 314, 1099, 1727, 2198, 3391, 3454, 6782, 12089, 23737, 24178, 37301, 47474, 74602, 261107, 522214, 532387, 1064774, 3726709, 5856257, 7453418, 11712514, 40993799, 81987598]

約数ペア:

[(1, 81987598), (2, 40993799), (7, 11712514), (11, 7453418), (14, 5856257), (22, 3726709), (77, 1064774), (154, 532387), (157, 522214), (314, 261107), (1099, 74602), (1727, 47474), (2198, 37301), (3391, 24178), (3454, 23737), (6782, 12089)]