667231490

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{213173}}^1$

素因数の和:213493

約数の個数: 16

約数和(自身を含む): 1204859448

約数和(自身を除く): 537627958

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 213173, 426346, 1065865, 2131730, 66723149, 133446298, 333615745, 667231490]

約数ペア:

[(1, 667231490), (2, 333615745), (5, 133446298), (10, 66723149), (313, 2131730), (626, 1065865), (1565, 426346), (3130, 213173)]