1245903988

素因数分解:

$2^2\times 7^2\times {\mathrm{6356653}}^1$

素因数の和:6356671

約数の個数: 18

約数和(自身を含む): 2536304946

約数和(自身を除く): 1290400958

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 6356653, 12713306, 25426612, 44496571, 88993142, 177986284, 311475997, 622951994, 1245903988]

約数ペア:

[(1, 1245903988), (2, 622951994), (4, 311475997), (7, 177986284), (14, 88993142), (28, 44496571), (49, 25426612), (98, 12713306), (196, 6356653)]