1640840802032

素因数分解:

$2^4\times {\mathrm{4831}}^1\times {\mathrm{21228017}}^1$

素因数の和:21232856

約数の個数: 20

約数和(自身を含む): 3179787272256

約数和(自身を除く): 1538946470224

約数列:

[1, 2, 4, 8, 16, 4831, 9662, 19324, 38648, 77296, 21228017, 42456034, 84912068, 169824136, 339648272, 102552550127, 205105100254, 410210200508, 820420401016, 1640840802032]

約数ペア:

[(1, 1640840802032), (2, 820420401016), (4, 410210200508), (8, 205105100254), (16, 102552550127), (4831, 339648272), (9662, 169824136), (19324, 84912068), (38648, 42456034), (77296, 21228017)]