31721794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{6131}}^1$

素因数の和:6345

約数の個数: 16

約数和(自身を含む): 51508800

約数和(自身を除く): 19787006

約数列:

[1, 2, 13, 26, 199, 398, 2587, 5174, 6131, 12262, 79703, 159406, 1220069, 2440138, 15860897, 31721794]

約数ペア:

[(1, 31721794), (2, 15860897), (13, 2440138), (26, 1220069), (199, 159406), (398, 79703), (2587, 12262), (5174, 6131)]