213609838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103997}}^1$

素因数の和:104091

約数の個数: 16

約数和(自身を含む): 349433280

約数和(自身を除く): 135823442

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 103997, 207994, 1351961, 2703922, 8215763, 16431526, 106804919, 213609838]

約数ペア:

[(1, 213609838), (2, 106804919), (13, 16431526), (26, 8215763), (79, 2703922), (158, 1351961), (1027, 207994), (2054, 103997)]