31213150

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{3137}}^1$

素因数の和:3348

約数の個数: 24

約数和(自身を含む): 58366800

約数和(自身を除く): 27153650

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 995, 1990, 3137, 4975, 6274, 9950, 15685, 31370, 78425, 156850, 624263, 1248526, 3121315, 6242630, 15606575, 31213150]

約数ペア:

[(1, 31213150), (2, 15606575), (5, 6242630), (10, 3121315), (25, 1248526), (50, 624263), (199, 156850), (398, 78425), (995, 31370), (1990, 15685), (3137, 9950), (4975, 6274)]