128580328

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{1289}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 248531400

約数和(自身を除く): 119951072

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 337, 674, 1289, 1348, 2578, 2696, 5156, 10312, 12469, 24938, 47693, 49876, 95386, 99752, 190772, 381544, 434393, 868786, 1737572, 3475144, 16072541, 32145082, 64290164, 128580328]

約数ペア:

[(1, 128580328), (2, 64290164), (4, 32145082), (8, 16072541), (37, 3475144), (74, 1737572), (148, 868786), (296, 434393), (337, 381544), (674, 190772), (1289, 99752), (1348, 95386), (2578, 49876), (2696, 47693), (5156, 24938), (10312, 12469)]