67990505

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{2741}}^1$

素因数の和:2809

約数の個数: 24

約数和(自身を含む): 91900872

約数和(自身を除く): 23910367

約数列:

[1, 5, 11, 41, 55, 121, 205, 451, 605, 2255, 2741, 4961, 13705, 24805, 30151, 112381, 150755, 331661, 561905, 1236191, 1658305, 6180955, 13598101, 67990505]

約数ペア:

[(1, 67990505), (5, 13598101), (11, 6180955), (41, 1658305), (55, 1236191), (121, 561905), (205, 331661), (451, 150755), (605, 112381), (2255, 30151), (2741, 24805), (4961, 13705)]