26628368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128021}}^1$

素因数の和:128042

約数の個数: 20

約数和(自身を含む): 55561548

約数和(自身を除く): 28933180

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128021, 256042, 512084, 1024168, 1664273, 2048336, 3328546, 6657092, 13314184, 26628368]

約数ペア:

[(1, 26628368), (2, 13314184), (4, 6657092), (8, 3328546), (13, 2048336), (16, 1664273), (26, 1024168), (52, 512084), (104, 256042), (208, 128021)]