690780412

素因数分解:

$2^2\times 7^1\times {\mathrm{24670729}}^1$

素因数の和:24670740

約数の個数: 12

約数和(自身を含む): 1381560880

約数和(自身を除く): 690780468

約数列:

[1, 2, 4, 7, 14, 28, 24670729, 49341458, 98682916, 172695103, 345390206, 690780412]

約数ペア:

[(1, 690780412), (2, 345390206), (4, 172695103), (7, 98682916), (14, 49341458), (28, 24670729)]