87409556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{8447}}^1$

素因数の和:8663

約数の個数: 24

約数和(自身を含む): 165580800

約数和(自身を除く): 78171244

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 2587, 5174, 8447, 10348, 16894, 33788, 109811, 219622, 439244, 1680953, 3361906, 6723812, 21852389, 43704778, 87409556]

約数ペア:

[(1, 87409556), (2, 43704778), (4, 21852389), (13, 6723812), (26, 3361906), (52, 1680953), (199, 439244), (398, 219622), (796, 109811), (2587, 33788), (5174, 16894), (8447, 10348)]