31815290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{244733}}^1$

素因数の和:244753

約数の個数: 16

約数和(自身を含む): 61672968

約数和(自身を除く): 29857678

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 244733, 489466, 1223665, 2447330, 3181529, 6363058, 15907645, 31815290]

約数ペア:

[(1, 31815290), (2, 15907645), (5, 6363058), (10, 3181529), (13, 2447330), (26, 1223665), (65, 489466), (130, 244733)]