81656885

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{2113}}^1$

素因数の和:2308

約数の個数: 16

約数和(自身を含む): 100457280

約数和(自身を除く): 18800395

約数列:

[1, 5, 59, 131, 295, 655, 2113, 7729, 10565, 38645, 124667, 276803, 623335, 1384015, 16331377, 81656885]

約数ペア:

[(1, 81656885), (5, 16331377), (59, 1384015), (131, 623335), (295, 276803), (655, 124667), (2113, 38645), (7729, 10565)]