1281608608

素因数分解:

$2^5\times 7^1\times {\mathrm{311}}^1\times {\mathrm{18397}}^1$

素因数の和:18725

約数の個数: 48

約数和(自身を含む): 2893048704

約数和(自身を除く): 1611440096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 311, 622, 1244, 2177, 2488, 4354, 4976, 8708, 9952, 17416, 18397, 34832, 36794, 69664, 73588, 128779, 147176, 257558, 294352, 515116, 588704, 1030232, 2060464, 4120928, 5721467, 11442934, 22885868, 40050269, 45771736, 80100538, 91543472, 160201076, 183086944, 320402152, 640804304, 1281608608]

約数ペア:

[(1, 1281608608), (2, 640804304), (4, 320402152), (7, 183086944), (8, 160201076), (14, 91543472), (16, 80100538), (28, 45771736), (32, 40050269), (56, 22885868), (112, 11442934), (224, 5721467), (311, 4120928), (622, 2060464), (1244, 1030232), (2177, 588704), (2488, 515116), (4354, 294352), (4976, 257558), (8708, 147176), (9952, 128779), (17416, 73588), (18397, 69664), (34832, 36794)]