81304656

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{23857}}^1$

素因数の和:23939

約数の個数: 40

約数和(自身を含む): 213004224

約数和(自身を除く): 131699568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 23857, 47714, 71571, 95428, 143142, 190856, 286284, 381712, 572568, 1145136, 1693847, 3387694, 5081541, 6775388, 10163082, 13550776, 20326164, 27101552, 40652328, 81304656]

約数ペア:

[(1, 81304656), (2, 40652328), (3, 27101552), (4, 20326164), (6, 13550776), (8, 10163082), (12, 6775388), (16, 5081541), (24, 3387694), (48, 1693847), (71, 1145136), (142, 572568), (213, 381712), (284, 286284), (426, 190856), (568, 143142), (852, 95428), (1136, 71571), (1704, 47714), (3408, 23857)]