28628278

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 51321600

約数和(自身を除く): 22693322

約数列:

[1, 2, 7, 14, 29, 58, 107, 203, 214, 406, 659, 749, 1318, 1498, 3103, 4613, 6206, 9226, 19111, 21721, 38222, 43442, 70513, 133777, 141026, 267554, 493591, 987182, 2044877, 4089754, 14314139, 28628278]

約数ペア:

[(1, 28628278), (2, 14314139), (7, 4089754), (14, 2044877), (29, 987182), (58, 493591), (107, 267554), (203, 141026), (214, 133777), (406, 70513), (659, 43442), (749, 38222), (1318, 21721), (1498, 19111), (3103, 9226), (4613, 6206)]