489810839

素因数分解:

$7^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1\times {\mathrm{1549}}^1$

素因数の和:1982

約数の個数: 16

約数和(自身を含む): 565440000

約数和(自身を除く): 75629161

約数列:

[1, 7, 199, 227, 1393, 1549, 1589, 10843, 45173, 308251, 316211, 351623, 2157757, 2461361, 69972977, 489810839]

約数ペア:

[(1, 489810839), (7, 69972977), (199, 2461361), (227, 2157757), (1393, 351623), (1549, 316211), (1589, 308251), (10843, 45173)]