81967775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{677}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 105930720

約数和(自身を除く): 23962945

約数列:

[1, 5, 25, 29, 145, 167, 677, 725, 835, 3385, 4175, 4843, 16925, 19633, 24215, 98165, 113059, 121075, 490825, 565295, 2826475, 3278711, 16393555, 81967775]

約数ペア:

[(1, 81967775), (5, 16393555), (25, 3278711), (29, 2826475), (145, 565295), (167, 490825), (677, 121075), (725, 113059), (835, 98165), (3385, 24215), (4175, 19633), (4843, 16925)]