1991363

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 2405376

約数和(自身を除く): 414013

約数列:

[1, 11, 17, 23, 187, 253, 391, 463, 4301, 5093, 7871, 10649, 86581, 117139, 181033, 1991363]

約数ペア:

[(1, 1991363), (11, 181033), (17, 117139), (23, 86581), (187, 10649), (253, 7871), (391, 5093), (463, 4301)]