31189739

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 36341760

約数和(自身を除く): 5152021

約数列:

[1, 7, 103, 181, 239, 721, 1267, 1673, 18643, 24617, 43259, 130501, 172319, 302813, 4455677, 31189739]

約数ペア:

[(1, 31189739), (7, 4455677), (103, 302813), (181, 172319), (239, 130501), (721, 43259), (1267, 24617), (1673, 18643)]