39974878

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{787}}^1$

素因数の和:1131

約数の個数: 16

約数和(自身を含む): 60849360

約数和(自身を除く): 20874482

約数列:

[1, 2, 109, 218, 233, 466, 787, 1574, 25397, 50794, 85783, 171566, 183371, 366742, 19987439, 39974878]

約数ペア:

[(1, 39974878), (2, 19987439), (109, 366742), (218, 183371), (233, 171566), (466, 85783), (787, 50794), (1574, 25397)]