2157318121

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{167221}}^1$

素因数の和:167344

約数の個数: 16

約数和(自身を含む): 2622040960

約数和(自身を除く): 464722839

約数列:

[1, 7, 19, 97, 133, 679, 1843, 12901, 167221, 1170547, 3177199, 16220437, 22240393, 113543059, 308188303, 2157318121]

約数ペア:

[(1, 2157318121), (7, 308188303), (19, 113543059), (97, 22240393), (133, 16220437), (679, 3177199), (1843, 1170547), (12901, 167221)]