1638427

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 16

約数和(自身を含む): 2007040

約数和(自身を除く): 368613

約数列:

[1, 7, 19, 97, 127, 133, 679, 889, 1843, 2413, 12319, 12901, 16891, 86233, 234061, 1638427]

約数ペア:

[(1, 1638427), (7, 234061), (19, 86233), (97, 16891), (127, 12901), (133, 12319), (679, 2413), (889, 1843)]