208994012

素因数分解:

$2^2\times {\mathrm{743}}^1\times {\mathrm{70321}}^1$

素因数の和:71068

約数の個数: 12

約数和(自身を含む): 366236976

約数和(自身を除く): 157242964

約数列:

[1, 2, 4, 743, 1486, 2972, 70321, 140642, 281284, 52248503, 104497006, 208994012]

約数ペア:

[(1, 208994012), (2, 104497006), (4, 52248503), (743, 281284), (1486, 140642), (2972, 70321)]