16291775

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 20921280

約数和(自身を除く): 4629505

約数列:

[1, 5, 25, 73, 79, 113, 365, 395, 565, 1825, 1975, 2825, 5767, 8249, 8927, 28835, 41245, 44635, 144175, 206225, 223175, 651671, 3258355, 16291775]

約数ペア:

[(1, 16291775), (5, 3258355), (25, 651671), (73, 223175), (79, 206225), (113, 144175), (365, 44635), (395, 41245), (565, 28835), (1825, 8927), (1975, 8249), (2825, 5767)]