31357990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{108131}}^1$

素因数の和:108167

約数の個数: 16

約数和(自身を含む): 58391280

約数和(自身を除く): 27033290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 108131, 216262, 540655, 1081310, 3135799, 6271598, 15678995, 31357990]

約数ペア:

[(1, 31357990), (2, 15678995), (5, 6271598), (10, 3135799), (29, 1081310), (58, 540655), (145, 216262), (290, 108131)]