12961286

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1296

約数の個数: 24

約数和(自身を含む): 21749184

約数和(自身を除く): 8787898

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 1237, 2474, 5239, 10478, 16081, 32162, 38347, 76694, 209053, 418106, 498511, 997022, 6480643, 12961286]

約数ペア:

[(1, 12961286), (2, 6480643), (13, 997022), (26, 498511), (31, 418106), (62, 209053), (169, 76694), (338, 38347), (403, 32162), (806, 16081), (1237, 10478), (2474, 5239)]