81007328

素因数分解:

$2^5\times {\mathrm{199}}^1\times {\mathrm{12721}}^1$

素因数の和:12930

約数の個数: 24

約数和(自身を含む): 160297200

約数和(自身を除く): 79289872

約数列:

[1, 2, 4, 8, 16, 32, 199, 398, 796, 1592, 3184, 6368, 12721, 25442, 50884, 101768, 203536, 407072, 2531479, 5062958, 10125916, 20251832, 40503664, 81007328]

約数ペア:

[(1, 81007328), (2, 40503664), (4, 20251832), (8, 10125916), (16, 5062958), (32, 2531479), (199, 407072), (398, 203536), (796, 101768), (1592, 50884), (3184, 25442), (6368, 12721)]