81967745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{1861}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 102961152

約数和(自身を除く): 20993407

約数列:

[1, 5, 23, 115, 383, 1861, 1915, 8809, 9305, 42803, 44045, 214015, 712763, 3563815, 16393549, 81967745]

約数ペア:

[(1, 81967745), (5, 16393549), (23, 3563815), (115, 712763), (383, 214015), (1861, 44045), (1915, 42803), (8809, 9305)]