672816095

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{21383}}^1$

素因数の和:21455

約数の個数: 32

約数和(自身を含む): 985374720

約数和(自身を除く): 312558625

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 899, 1015, 1085, 4495, 6293, 21383, 31465, 106915, 149681, 620107, 662873, 748405, 3100535, 3314365, 4340749, 4640111, 19223317, 21703745, 23200555, 96116585, 134563219, 672816095]

約数ペア:

[(1, 672816095), (5, 134563219), (7, 96116585), (29, 23200555), (31, 21703745), (35, 19223317), (145, 4640111), (155, 4340749), (203, 3314365), (217, 3100535), (899, 748405), (1015, 662873), (1085, 620107), (4495, 149681), (6293, 106915), (21383, 31465)]