161661556

素因数分解:

$2^2\times 7^1\times {\mathrm{997}}^1\times {\mathrm{5791}}^1$

素因数の和:6799

約数の個数: 24

約数和(自身を含む): 323703296

約数和(自身を除く): 162041740

約数列:

[1, 2, 4, 7, 14, 28, 997, 1994, 3988, 5791, 6979, 11582, 13958, 23164, 27916, 40537, 81074, 162148, 5773627, 11547254, 23094508, 40415389, 80830778, 161661556]

約数ペア:

[(1, 161661556), (2, 80830778), (4, 40415389), (7, 23094508), (14, 11547254), (28, 5773627), (997, 162148), (1994, 81074), (3988, 40537), (5791, 27916), (6979, 23164), (11582, 13958)]