423956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 827904

約数和(自身を除く): 403948

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 263, 403, 526, 806, 1052, 1612, 3419, 6838, 8153, 13676, 16306, 32612, 105989, 211978, 423956]

約数ペア:

[(1, 423956), (2, 211978), (4, 105989), (13, 32612), (26, 16306), (31, 13676), (52, 8153), (62, 6838), (124, 3419), (263, 1612), (403, 1052), (526, 806)]