28712866

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2098

約数の個数: 32

約数和(自身を含む): 53706240

約数和(自身を除く): 24993374

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 1997, 2054, 3994, 7189, 13979, 14378, 25961, 27958, 51922, 157763, 181727, 315526, 363454, 1104341, 2050919, 2208682, 4101838, 14356433, 28712866]

約数ペア:

[(1, 28712866), (2, 14356433), (7, 4101838), (13, 2208682), (14, 2050919), (26, 1104341), (79, 363454), (91, 315526), (158, 181727), (182, 157763), (553, 51922), (1027, 27958), (1106, 25961), (1997, 14378), (2054, 13979), (3994, 7189)]