28657922

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1\times {\mathrm{503}}^1$

素因数の和:1033

約数の個数: 16

約数和(自身を含む): 43872192

約数和(自身を除く): 15214270

約数列:

[1, 2, 61, 122, 467, 503, 934, 1006, 28487, 30683, 56974, 61366, 234901, 469802, 14328961, 28657922]

約数ペア:

[(1, 28657922), (2, 14328961), (61, 469802), (122, 234901), (467, 61366), (503, 56974), (934, 30683), (1006, 28487)]