128803724

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{17491}}^1$

素因数の和:17765

約数の個数: 24

約数和(自身を含む): 258601728

約数和(自身を除く): 129798004

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 3682, 7364, 17491, 34982, 69964, 122437, 244874, 489748, 4600133, 9200266, 18400532, 32200931, 64401862, 128803724]

約数ペア:

[(1, 128803724), (2, 64401862), (4, 32200931), (7, 18400532), (14, 9200266), (28, 4600133), (263, 489748), (526, 244874), (1052, 122437), (1841, 69964), (3682, 34982), (7364, 17491)]