2021781575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{16747}}^1$

素因数の和:17207

約数の個数: 24

約数和(自身を含む): 2741312640

約数和(自身を除く): 719531065

約数列:

[1, 5, 11, 25, 55, 275, 439, 2195, 4829, 10975, 16747, 24145, 83735, 120725, 184217, 418675, 921085, 4605425, 7351933, 36759665, 80871263, 183798325, 404356315, 2021781575]

約数ペア:

[(1, 2021781575), (5, 404356315), (11, 183798325), (25, 80871263), (55, 36759665), (275, 7351933), (439, 4605425), (2195, 921085), (4829, 418675), (10975, 184217), (16747, 120725), (24145, 83735)]