51505454

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1979}}^1$

素因数の和:2025

約数の個数: 48

約数和(自身を含む): 104353920

約数和(自身を除く): 52848466

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 169, 182, 286, 338, 1001, 1183, 1859, 1979, 2002, 2366, 3718, 3958, 13013, 13853, 21769, 25727, 26026, 27706, 43538, 51454, 152383, 180089, 282997, 304766, 334451, 360178, 565994, 668902, 1980979, 2341157, 3678961, 3961958, 4682314, 7357922, 25752727, 51505454]

約数ペア:

[(1, 51505454), (2, 25752727), (7, 7357922), (11, 4682314), (13, 3961958), (14, 3678961), (22, 2341157), (26, 1980979), (77, 668902), (91, 565994), (143, 360178), (154, 334451), (169, 304766), (182, 282997), (286, 180089), (338, 152383), (1001, 51454), (1183, 43538), (1859, 27706), (1979, 26026), (2002, 25727), (2366, 21769), (3718, 13853), (3958, 13013)]