28345070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 55194048

約数和(自身を除く): 26848978

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 337, 647, 674, 1294, 1685, 3235, 3370, 4381, 6470, 8411, 8762, 16822, 21905, 42055, 43810, 84110, 218039, 436078, 1090195, 2180390, 2834507, 5669014, 14172535, 28345070]

約数ペア:

[(1, 28345070), (2, 14172535), (5, 5669014), (10, 2834507), (13, 2180390), (26, 1090195), (65, 436078), (130, 218039), (337, 84110), (647, 43810), (674, 42055), (1294, 21905), (1685, 16822), (3235, 8762), (3370, 8411), (4381, 6470)]