81987010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1171243}}^1$

素因数の和:1171257

約数の個数: 16

約数和(自身を含む): 168659136

約数和(自身を除く): 86672126

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1171243, 2342486, 5856215, 8198701, 11712430, 16397402, 40993505, 81987010]

約数ペア:

[(1, 81987010), (2, 40993505), (5, 16397402), (7, 11712430), (10, 8198701), (14, 5856215), (35, 2342486), (70, 1171243)]