128974286

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{214243}}^1$

素因数の和:214295

約数の個数: 16

約数和(自身を含む): 226241664

約数和(自身を除く): 97267378

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 214243, 428486, 1499701, 2999402, 9212449, 18424898, 64487143, 128974286]

約数ペア:

[(1, 128974286), (2, 64487143), (7, 18424898), (14, 9212449), (43, 2999402), (86, 1499701), (301, 428486), (602, 214243)]