678465212

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{56671}}^1$

素因数の和:56789

約数の個数: 24

約数和(自身を含む): 1232956032

約数和(自身を除く): 554490820

約数列:

[1, 2, 4, 41, 73, 82, 146, 164, 292, 2993, 5986, 11972, 56671, 113342, 226684, 2323511, 4136983, 4647022, 8273966, 9294044, 16547932, 169616303, 339232606, 678465212]

約数ペア:

[(1, 678465212), (2, 339232606), (4, 169616303), (41, 16547932), (73, 9294044), (82, 8273966), (146, 4647022), (164, 4136983), (292, 2323511), (2993, 226684), (5986, 113342), (11972, 56671)]