28697389

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{9601}}^1$

素因数の和:9676

約数の個数: 12

約数和(自身を含む): 33933468

約数和(自身を除く): 5236079

約数列:

[1, 7, 49, 61, 427, 2989, 9601, 67207, 470449, 585661, 4099627, 28697389]

約数ペア:

[(1, 28697389), (7, 4099627), (49, 585661), (61, 470449), (427, 67207), (2989, 9601)]