157178416

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{228457}}^1$

素因数の和:228508

約数の個数: 20

約数和(自身を含む): 311616712

約数和(自身を除く): 154438296

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 228457, 456914, 913828, 1827656, 3655312, 9823651, 19647302, 39294604, 78589208, 157178416]

約数ペア:

[(1, 157178416), (2, 78589208), (4, 39294604), (8, 19647302), (16, 9823651), (43, 3655312), (86, 1827656), (172, 913828), (344, 456914), (688, 228457)]