2902991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 3978240

約数和(自身を除く): 1075249

約数列:

[1, 7, 13, 19, 23, 73, 91, 133, 161, 247, 299, 437, 511, 949, 1387, 1679, 1729, 2093, 3059, 5681, 6643, 9709, 11753, 18031, 21827, 31901, 39767, 126217, 152789, 223307, 414713, 2902991]

約数ペア:

[(1, 2902991), (7, 414713), (13, 223307), (19, 152789), (23, 126217), (73, 39767), (91, 31901), (133, 21827), (161, 18031), (247, 11753), (299, 9709), (437, 6643), (511, 5681), (949, 3059), (1387, 2093), (1679, 1729)]