81661648

素因数分解:

$2^4\times {\mathrm{769}}^1\times {\mathrm{6637}}^1$

素因数の和:7414

約数の個数: 20

約数和(自身を含む): 158449060

約数和(自身を除く): 76787412

約数列:

[1, 2, 4, 8, 16, 769, 1538, 3076, 6152, 6637, 12304, 13274, 26548, 53096, 106192, 5103853, 10207706, 20415412, 40830824, 81661648]

約数ペア:

[(1, 81661648), (2, 40830824), (4, 20415412), (8, 10207706), (16, 5103853), (769, 106192), (1538, 53096), (3076, 26548), (6152, 13274), (6637, 12304)]