261698516

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{22709}}^1$

素因数の和:22823

約数の個数: 24

約数和(自身を含む): 475638240

約数和(自身を除く): 213939724

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 2881, 5762, 11524, 22709, 45418, 90836, 976487, 1521503, 1952974, 3043006, 3905948, 6086012, 65424629, 130849258, 261698516]

約数ペア:

[(1, 261698516), (2, 130849258), (4, 65424629), (43, 6086012), (67, 3905948), (86, 3043006), (134, 1952974), (172, 1521503), (268, 976487), (2881, 90836), (5762, 45418), (11524, 22709)]