161213438485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{28723}}^1$

素因数の和:28930

約数の個数: 64

約数和(自身を含む): 229314032640

約数和(自身を除く): 68100594155

約数列:

[1, 5, 11, 19, 41, 55, 95, 131, 205, 209, 451, 655, 779, 1045, 1441, 2255, 2489, 3895, 5371, 7205, 8569, 12445, 26855, 27379, 28723, 42845, 59081, 102049, 136895, 143615, 295405, 315953, 510245, 545737, 1122539, 1177643, 1579765, 2728685, 3762713, 5612695, 5888215, 6003107, 12954073, 18813565, 22375217, 30015535, 41389843, 64770365, 71491547, 111876085, 154271233, 206949215, 246127387, 357457735, 771356165, 786407017, 1230636935, 1696983563, 2931153427, 3932035085, 8484917815, 14655767135, 32242687697, 161213438485]

約数ペア:

[(1, 161213438485), (5, 32242687697), (11, 14655767135), (19, 8484917815), (41, 3932035085), (55, 2931153427), (95, 1696983563), (131, 1230636935), (205, 786407017), (209, 771356165), (451, 357457735), (655, 246127387), (779, 206949215), (1045, 154271233), (1441, 111876085), (2255, 71491547), (2489, 64770365), (3895, 41389843), (5371, 30015535), (7205, 22375217), (8569, 18813565), (12445, 12954073), (26855, 6003107), (27379, 5888215), (28723, 5612695), (42845, 3762713), (59081, 2728685), (102049, 1579765), (136895, 1177643), (143615, 1122539), (295405, 545737), (315953, 510245)]