28253576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{857}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 57297240

約数和(自身を除く): 29043664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 317, 634, 857, 1268, 1714, 2536, 3428, 4121, 6856, 8242, 11141, 16484, 22282, 32968, 44564, 89128, 271669, 543338, 1086676, 2173352, 3531697, 7063394, 14126788, 28253576]

約数ペア:

[(1, 28253576), (2, 14126788), (4, 7063394), (8, 3531697), (13, 2173352), (26, 1086676), (52, 543338), (104, 271669), (317, 89128), (634, 44564), (857, 32968), (1268, 22282), (1714, 16484), (2536, 11141), (3428, 8242), (4121, 6856)]