290417477

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{929}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 366405120

約数和(自身を除く): 75987643

約数列:

[1, 7, 17, 37, 71, 119, 259, 497, 629, 929, 1207, 2627, 4403, 6503, 8449, 15793, 18389, 34373, 44659, 65959, 110551, 240611, 312613, 461713, 584341, 1121303, 2440483, 4090387, 7849121, 17083381, 41488211, 290417477]

約数ペア:

[(1, 290417477), (7, 41488211), (17, 17083381), (37, 7849121), (71, 4090387), (119, 2440483), (259, 1121303), (497, 584341), (629, 461713), (929, 312613), (1207, 240611), (2627, 110551), (4403, 65959), (6503, 44659), (8449, 34373), (15793, 18389)]