258520948

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{81707}}^1$

素因数の和:81831

約数の個数: 24

約数和(自身を含む): 521623872

約数和(自身を除く): 263102924

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 81707, 163414, 326828, 571949, 1143898, 2287796, 9232891, 18465782, 36931564, 64630237, 129260474, 258520948]

約数ペア:

[(1, 258520948), (2, 129260474), (4, 64630237), (7, 36931564), (14, 18465782), (28, 9232891), (113, 2287796), (226, 1143898), (452, 571949), (791, 326828), (1582, 163414), (3164, 81707)]