250991874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1991999}}^1$

素因数の和:1992014

約数の個数: 24

約数和(自身を含む): 621504000

約数和(自身を除く): 370512126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1991999, 3983998, 5975997, 11951994, 13943993, 17927991, 27887986, 35855982, 41831979, 83663958, 125495937, 250991874]

約数ペア:

[(1, 250991874), (2, 125495937), (3, 83663958), (6, 41831979), (7, 35855982), (9, 27887986), (14, 17927991), (18, 13943993), (21, 11951994), (42, 5975997), (63, 3983998), (126, 1991999)]