28665616

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1213}}^1$

素因数の和:1439

約数の個数: 40

約数和(自身を含む): 63827264

約数和(自身を除く): 35161648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1213, 1477, 1688, 2426, 2954, 3376, 4852, 5908, 8491, 9704, 11816, 16982, 19408, 23632, 33964, 67928, 135856, 255943, 511886, 1023772, 1791601, 2047544, 3583202, 4095088, 7166404, 14332808, 28665616]

約数ペア:

[(1, 28665616), (2, 14332808), (4, 7166404), (7, 4095088), (8, 3583202), (14, 2047544), (16, 1791601), (28, 1023772), (56, 511886), (112, 255943), (211, 135856), (422, 67928), (844, 33964), (1213, 23632), (1477, 19408), (1688, 16982), (2426, 11816), (2954, 9704), (3376, 8491), (4852, 5908)]