131203970

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{66601}}^1$

素因数の和:66805

約数の個数: 16

約数和(自身を含む): 237369528

約数和(自身を除く): 106165558

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 66601, 133202, 333005, 666010, 13120397, 26240794, 65601985, 131203970]

約数ペア:

[(1, 131203970), (2, 65601985), (5, 26240794), (10, 13120397), (197, 666010), (394, 333005), (985, 133202), (1970, 66601)]