90420407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1861}}^1$

素因数の和:2510

約数の個数: 16

約数和(自身を含む): 112971264

約数和(自身を除く): 22550857

約数列:

[1, 7, 11, 77, 631, 1861, 4417, 6941, 13027, 20471, 48587, 143297, 1174291, 8220037, 12917201, 90420407]

約数ペア:

[(1, 90420407), (7, 12917201), (11, 8220037), (77, 1174291), (631, 143297), (1861, 48587), (4417, 20471), (6941, 13027)]