28389036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181981}}^1$

素因数の和:182001

約数の個数: 24

約数和(自身を含む): 71336944

約数和(自身を除く): 42947908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181981, 363962, 545943, 727924, 1091886, 2183772, 2365753, 4731506, 7097259, 9463012, 14194518, 28389036]

約数ペア:

[(1, 28389036), (2, 14194518), (3, 9463012), (4, 7097259), (6, 4731506), (12, 2365753), (13, 2183772), (26, 1091886), (39, 727924), (52, 545943), (78, 363962), (156, 181981)]