663399152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3189419}}^1$

素因数の和:3189440

約数の個数: 20

約数和(自身を含む): 1384208280

約数和(自身を除く): 720809128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3189419, 6378838, 12757676, 25515352, 41462447, 51030704, 82924894, 165849788, 331699576, 663399152]

約数ペア:

[(1, 663399152), (2, 331699576), (4, 165849788), (8, 82924894), (13, 51030704), (16, 41462447), (26, 25515352), (52, 12757676), (104, 6378838), (208, 3189419)]