31978513

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2609}}^1$

素因数の和:2736

約数の個数: 16

約数和(自身を含む): 39087360

約数和(自身を除く): 7108847

約数列:

[1, 7, 17, 103, 119, 721, 1751, 2609, 12257, 18263, 44353, 268727, 310471, 1881089, 4568359, 31978513]

約数ペア:

[(1, 31978513), (7, 4568359), (17, 1881089), (103, 310471), (119, 268727), (721, 44353), (1751, 18263), (2609, 12257)]