81492112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{391789}}^1$

素因数の和:391810

約数の個数: 20

約数和(自身を含む): 170036860

約数和(自身を除く): 88544748

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 391789, 783578, 1567156, 3134312, 5093257, 6268624, 10186514, 20373028, 40746056, 81492112]

約数ペア:

[(1, 81492112), (2, 40746056), (4, 20373028), (8, 10186514), (13, 6268624), (16, 5093257), (26, 3134312), (52, 1567156), (104, 783578), (208, 391789)]