1391772781

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{107881}}^1$

素因数の和:108004

約数の個数: 16

約数和(自身を含む): 1691589760

約数和(自身を除く): 299816979

約数列:

[1, 7, 19, 97, 133, 679, 1843, 12901, 107881, 755167, 2049739, 10464457, 14348173, 73251199, 198824683, 1391772781]

約数ペア:

[(1, 1391772781), (7, 198824683), (19, 73251199), (97, 14348173), (133, 10464457), (679, 2049739), (1843, 755167), (12901, 107881)]