290804956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{294337}}^1$

素因数の和:294373

約数の個数: 24

約数和(自身を含む): 576902480

約数和(自身を除く): 286097524

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 294337, 588674, 1177348, 3826381, 5592403, 7652762, 11184806, 15305524, 22369612, 72701239, 145402478, 290804956]

約数ペア:

[(1, 290804956), (2, 145402478), (4, 72701239), (13, 22369612), (19, 15305524), (26, 11184806), (38, 7652762), (52, 5592403), (76, 3826381), (247, 1177348), (494, 588674), (988, 294337)]