261912079

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 321330240

約数和(自身を除く): 59418161

約数列:

[1, 11, 13, 29, 137, 143, 319, 377, 461, 1507, 1781, 3973, 4147, 5071, 5993, 13369, 19591, 43703, 51649, 63157, 65923, 147059, 173797, 568139, 694727, 821041, 1831553, 1911767, 9031451, 20147083, 23810189, 261912079]

約数ペア:

[(1, 261912079), (11, 23810189), (13, 20147083), (29, 9031451), (137, 1911767), (143, 1831553), (319, 821041), (377, 694727), (461, 568139), (1507, 173797), (1781, 147059), (3973, 65923), (4147, 63157), (5071, 51649), (5993, 43703), (13369, 19591)]