28916368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139021}}^1$

素因数の和:139042

約数の個数: 20

約数和(自身を含む): 60335548

約数和(自身を除く): 31419180

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 139021, 278042, 556084, 1112168, 1807273, 2224336, 3614546, 7229092, 14458184, 28916368]

約数ペア:

[(1, 28916368), (2, 14458184), (4, 7229092), (8, 3614546), (13, 2224336), (16, 1807273), (26, 1112168), (52, 556084), (104, 278042), (208, 139021)]