87979507

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{18731}}^1$

素因数の和:18810

約数の個数: 16

約数和(自身を含む): 111492864

約数和(自身を除く): 23513357

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 18731, 131117, 206041, 1142591, 1442287, 7998137, 12568501, 87979507]

約数ペア:

[(1, 87979507), (7, 12568501), (11, 7998137), (61, 1442287), (77, 1142591), (427, 206041), (671, 131117), (4697, 18731)]