128117288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{12197}}^1$

素因数の和:12317

約数の個数: 32

約数和(自身を含む): 261281160

約数和(自身を除く): 133163872

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 2626, 5252, 10504, 12197, 24394, 48788, 97576, 158561, 317122, 634244, 1231897, 1268488, 2463794, 4927588, 9855176, 16014661, 32029322, 64058644, 128117288]

約数ペア:

[(1, 128117288), (2, 64058644), (4, 32029322), (8, 16014661), (13, 9855176), (26, 4927588), (52, 2463794), (101, 1268488), (104, 1231897), (202, 634244), (404, 317122), (808, 158561), (1313, 97576), (2626, 48788), (5252, 24394), (10504, 12197)]