28278818

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1\times {\mathrm{653}}^1$

素因数の和:1081

約数の個数: 16

約数和(自身を含む): 43320960

約数和(自身を除く): 15042142

約数列:

[1, 2, 59, 118, 367, 653, 734, 1306, 21653, 38527, 43306, 77054, 239651, 479302, 14139409, 28278818]

約数ペア:

[(1, 28278818), (2, 14139409), (59, 479302), (118, 239651), (367, 77054), (653, 43306), (734, 38527), (1306, 21653)]