28762265

素因数分解:

$5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 41625600

約数和(自身を除く): 12863335

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 343, 541, 1085, 1519, 1715, 2705, 3787, 7595, 10633, 16771, 18935, 26509, 53165, 83855, 117397, 132545, 185563, 586985, 821779, 927815, 4108895, 5752453, 28762265]

約数ペア:

[(1, 28762265), (5, 5752453), (7, 4108895), (31, 927815), (35, 821779), (49, 586985), (155, 185563), (217, 132545), (245, 117397), (343, 83855), (541, 53165), (1085, 26509), (1519, 18935), (1715, 16771), (2705, 10633), (3787, 7595)]