128498576

素因数分解:

$2^4\times {\mathrm{1259}}^1\times {\mathrm{6379}}^1$

素因数の和:7646

約数の個数: 20

約数和(自身を含む): 249202800

約数和(自身を除く): 120704224

約数列:

[1, 2, 4, 8, 16, 1259, 2518, 5036, 6379, 10072, 12758, 20144, 25516, 51032, 102064, 8031161, 16062322, 32124644, 64249288, 128498576]

約数ペア:

[(1, 128498576), (2, 64249288), (4, 32124644), (8, 16062322), (16, 8031161), (1259, 102064), (2518, 51032), (5036, 25516), (6379, 20144), (10072, 12758)]