71290265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{28921}}^1$

素因数の和:28972

約数の個数: 16

約数和(自身を含む): 93707280

約数和(自身を除く): 22417015

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 28921, 144605, 491657, 838709, 2458285, 4193545, 14258053, 71290265]

約数ペア:

[(1, 71290265), (5, 14258053), (17, 4193545), (29, 2458285), (85, 838709), (145, 491657), (493, 144605), (2465, 28921)]