12197731

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 15095808

約数和(自身を除く): 2898077

約数列:

[1, 7, 13, 91, 311, 431, 2177, 3017, 4043, 5603, 28301, 39221, 134041, 938287, 1742533, 12197731]

約数ペア:

[(1, 12197731), (7, 1742533), (13, 938287), (91, 134041), (311, 39221), (431, 28301), (2177, 5603), (3017, 4043)]