12781858

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 21385728

約数和(自身を除く): 8603870

約数列:

[1, 2, 17, 31, 34, 62, 67, 134, 181, 362, 527, 1054, 1139, 2077, 2278, 3077, 4154, 5611, 6154, 11222, 12127, 24254, 35309, 70618, 95387, 190774, 206159, 375937, 412318, 751874, 6390929, 12781858]

約数ペア:

[(1, 12781858), (2, 6390929), (17, 751874), (31, 412318), (34, 375937), (62, 206159), (67, 190774), (134, 95387), (181, 70618), (362, 35309), (527, 24254), (1054, 12127), (1139, 11222), (2077, 6154), (2278, 5611), (3077, 4154)]