646114270

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{493217}}^1$

素因数の和:493355

約数の個数: 16

約数和(自身を含む): 1171885968

約数和(自身を除く): 525771698

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 493217, 986434, 2466085, 4932170, 64611427, 129222854, 323057135, 646114270]

約数ペア:

[(1, 646114270), (2, 323057135), (5, 129222854), (10, 64611427), (131, 4932170), (262, 2466085), (655, 986434), (1310, 493217)]