68688848

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{81001}}^1$

素因数の和:81062

約数の個数: 20

約数和(自身を含む): 135597348

約数和(自身を除く): 66908500

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 81001, 162002, 324004, 648008, 1296016, 4293053, 8586106, 17172212, 34344424, 68688848]

約数ペア:

[(1, 68688848), (2, 34344424), (4, 17172212), (8, 8586106), (16, 4293053), (53, 1296016), (106, 648008), (212, 324004), (424, 162002), (848, 81001)]