218979448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{6737}}^1$

素因数の和:6999

約数の個数: 32

約数和(自身を含む): 436622400

約数和(自身を除く): 217642952

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 478, 956, 1912, 4063, 6737, 8126, 13474, 16252, 26948, 32504, 53896, 114529, 229058, 458116, 916232, 1610143, 3220286, 6440572, 12881144, 27372431, 54744862, 109489724, 218979448]

約数ペア:

[(1, 218979448), (2, 109489724), (4, 54744862), (8, 27372431), (17, 12881144), (34, 6440572), (68, 3220286), (136, 1610143), (239, 916232), (478, 458116), (956, 229058), (1912, 114529), (4063, 53896), (6737, 32504), (8126, 26948), (13474, 16252)]