12915665

素因数分解:

$5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 19180800

約数和(自身を除く): 6265135

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 343, 443, 595, 833, 1715, 2215, 3101, 4165, 5831, 7531, 15505, 21707, 29155, 37655, 52717, 108535, 151949, 263585, 369019, 759745, 1845095, 2583133, 12915665]

約数ペア:

[(1, 12915665), (5, 2583133), (7, 1845095), (17, 759745), (35, 369019), (49, 263585), (85, 151949), (119, 108535), (245, 52717), (343, 37655), (443, 29155), (595, 21707), (833, 15505), (1715, 7531), (2215, 5831), (3101, 4165)]