31878574

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2560

約数の個数: 32

約数和(自身を含む): 59705856

約数和(自身を除く): 27827282

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1846, 2467, 4934, 6461, 12922, 17269, 32071, 34538, 64142, 175157, 224497, 350314, 448994, 1226099, 2277041, 2452198, 4554082, 15939287, 31878574]

約数ペア:

[(1, 31878574), (2, 15939287), (7, 4554082), (13, 2452198), (14, 2277041), (26, 1226099), (71, 448994), (91, 350314), (142, 224497), (182, 175157), (497, 64142), (923, 34538), (994, 32071), (1846, 17269), (2467, 12922), (4934, 6461)]