28117836

素因数分解:

$2^2\times 3^2\times {\mathrm{781051}}^1$

素因数の和:781061

約数の個数: 18

約数和(自身を含む): 71075732

約数和(自身を除く): 42957896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 781051, 1562102, 2343153, 3124204, 4686306, 7029459, 9372612, 14058918, 28117836]

約数ペア:

[(1, 28117836), (2, 14058918), (3, 9372612), (4, 7029459), (6, 4686306), (9, 3124204), (12, 2343153), (18, 1562102), (36, 781051)]