28120644

素因数分解:

$2^2\times 3^2\times {\mathrm{781129}}^1$

素因数の和:781139

約数の個数: 18

約数和(自身を含む): 71082830

約数和(自身を除く): 42962186

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 781129, 1562258, 2343387, 3124516, 4686774, 7030161, 9373548, 14060322, 28120644]

約数ペア:

[(1, 28120644), (2, 14060322), (3, 9373548), (4, 7030161), (6, 4686774), (9, 3124516), (12, 2343387), (18, 1562258), (36, 781129)]