299713268

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{4139}}^1$

素因数の和:4607

約数の個数: 24

約数和(自身を含む): 538100640

約数和(自身を除く): 238387372

約数列:

[1, 2, 4, 43, 86, 172, 421, 842, 1684, 4139, 8278, 16556, 18103, 36206, 72412, 177977, 355954, 711908, 1742519, 3485038, 6970076, 74928317, 149856634, 299713268]

約数ペア:

[(1, 299713268), (2, 149856634), (4, 74928317), (43, 6970076), (86, 3485038), (172, 1742519), (421, 711908), (842, 355954), (1684, 177977), (4139, 72412), (8278, 36206), (16556, 18103)]