12565550991

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1093}}^1\times {\mathrm{28813}}^1$

素因数の和:29935

約数の個数: 32

約数和(自身を含む): 20174410240

約数和(自身を除く): 7608859249

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1093, 3279, 7651, 20767, 22953, 28813, 62301, 86439, 145369, 201691, 436107, 547447, 605073, 1642341, 3832129, 11496387, 31492609, 94477827, 220448263, 598359571, 661344789, 1795078713, 4188516997, 12565550991]

約数ペア:

[(1, 12565550991), (3, 4188516997), (7, 1795078713), (19, 661344789), (21, 598359571), (57, 220448263), (133, 94477827), (399, 31492609), (1093, 11496387), (3279, 3832129), (7651, 1642341), (20767, 605073), (22953, 547447), (28813, 436107), (62301, 201691), (86439, 145369)]