258012016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{393311}}^1$

素因数の和:393360

約数の個数: 20

約数和(自身を含む): 512092224

約数和(自身を除く): 254080208

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 393311, 786622, 1573244, 3146488, 6292976, 16125751, 32251502, 64503004, 129006008, 258012016]

約数ペア:

[(1, 258012016), (2, 129006008), (4, 64503004), (8, 32251502), (16, 16125751), (41, 6292976), (82, 3146488), (164, 1573244), (328, 786622), (656, 393311)]