87286444

素因数分解:

$2^2\times 7^2\times {\mathrm{445339}}^1$

素因数の和:445357

約数の個数: 18

約数和(自身を含む): 177690660

約数和(自身を除く): 90404216

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 445339, 890678, 1781356, 3117373, 6234746, 12469492, 21821611, 43643222, 87286444]

約数ペア:

[(1, 87286444), (2, 43643222), (4, 21821611), (7, 12469492), (14, 6234746), (28, 3117373), (49, 1781356), (98, 890678), (196, 445339)]