12689776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{72101}}^1$

素因数の和:72120

約数の個数: 20

約数和(自身を含む): 26821944

約数和(自身を除く): 14132168

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 72101, 144202, 288404, 576808, 793111, 1153616, 1586222, 3172444, 6344888, 12689776]

約数ペア:

[(1, 12689776), (2, 6344888), (4, 3172444), (8, 1586222), (11, 1153616), (16, 793111), (22, 576808), (44, 288404), (88, 144202), (176, 72101)]