871915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 1161216

約数和(自身を除く): 289301

約数列:

[1, 5, 11, 55, 83, 191, 415, 913, 955, 2101, 4565, 10505, 15853, 79265, 174383, 871915]

約数ペア:

[(1, 871915), (5, 174383), (11, 79265), (55, 15853), (83, 10505), (191, 4565), (415, 2101), (913, 955)]