81189997

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1\times {\mathrm{523}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 94638592

約数和(自身を除く): 13448595

約数列:

[1, 7, 67, 331, 469, 523, 2317, 3661, 22177, 35041, 155239, 173113, 245287, 1211791, 11598571, 81189997]

約数ペア:

[(1, 81189997), (7, 11598571), (67, 1211791), (331, 245287), (469, 173113), (523, 155239), (2317, 35041), (3661, 22177)]