261455276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{19219}}^1$

素因数の和:19421

約数の個数: 24

約数和(自身を含む): 484344000

約数和(自身を除く): 222888724

約数列:

[1, 2, 4, 19, 38, 76, 179, 358, 716, 3401, 6802, 13604, 19219, 38438, 76876, 365161, 730322, 1460644, 3440201, 6880402, 13760804, 65363819, 130727638, 261455276]

約数ペア:

[(1, 261455276), (2, 130727638), (4, 65363819), (19, 13760804), (38, 6880402), (76, 3440201), (179, 1460644), (358, 730322), (716, 365161), (3401, 76876), (6802, 38438), (13604, 19219)]