12426785

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 5820895

約数列:

[1, 5, 7, 23, 35, 43, 115, 161, 215, 301, 359, 805, 989, 1505, 1795, 2513, 4945, 6923, 8257, 12565, 15437, 34615, 41285, 57799, 77185, 108059, 288995, 355051, 540295, 1775255, 2485357, 12426785]

約数ペア:

[(1, 12426785), (5, 2485357), (7, 1775255), (23, 540295), (35, 355051), (43, 288995), (115, 108059), (161, 77185), (215, 57799), (301, 41285), (359, 34615), (805, 15437), (989, 12565), (1505, 8257), (1795, 6923), (2513, 4945)]