28158406

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{3491}}^1$

素因数の和:3639

約数の個数: 16

約数和(自身を含む): 43789680

約数和(自身を除く): 15631274

約数列:

[1, 2, 37, 74, 109, 218, 3491, 4033, 6982, 8066, 129167, 258334, 380519, 761038, 14079203, 28158406]

約数ペア:

[(1, 28158406), (2, 14079203), (37, 761038), (74, 380519), (109, 258334), (218, 129167), (3491, 8066), (4033, 6982)]