78812765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21563}}^1$

素因数の和:21628

約数の個数: 16

約数和(自身を含む): 102472128

約数和(自身を除く): 23659363

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 21563, 107815, 366571, 927209, 1832855, 4636045, 15762553, 78812765]

約数ペア:

[(1, 78812765), (5, 15762553), (17, 4636045), (43, 1832855), (85, 927209), (215, 366571), (731, 107815), (3655, 21563)]