13218583

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 16530912

約数和(自身を除く): 3312329

約数列:

[1, 7, 23, 37, 49, 161, 259, 317, 851, 1127, 1813, 2219, 5957, 7291, 11729, 15533, 41699, 51037, 82103, 269767, 357259, 574721, 1888369, 13218583]

約数ペア:

[(1, 13218583), (7, 1888369), (23, 574721), (37, 357259), (49, 269767), (161, 82103), (259, 51037), (317, 41699), (851, 15533), (1127, 11729), (1813, 7291), (2219, 5957)]