208388635

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 337478400

約数和(自身を除く): 129089765

約数列:

[1, 5, 7, 13, 17, 29, 35, 65, 85, 91, 119, 145, 203, 221, 377, 455, 493, 595, 929, 1015, 1105, 1547, 1885, 2465, 2639, 3451, 4645, 6409, 6503, 7735, 12077, 13195, 15793, 17255, 26941, 32045, 32515, 44863, 60385, 78965, 84539, 110551, 134705, 188587, 205309, 224315, 350233, 422695, 457997, 552755, 942935, 1026545, 1437163, 1751165, 2289985, 2451631, 3205979, 5953961, 7185815, 12258155, 16029895, 29769805, 41677727, 208388635]

約数ペア:

[(1, 208388635), (5, 41677727), (7, 29769805), (13, 16029895), (17, 12258155), (29, 7185815), (35, 5953961), (65, 3205979), (85, 2451631), (91, 2289985), (119, 1751165), (145, 1437163), (203, 1026545), (221, 942935), (377, 552755), (455, 457997), (493, 422695), (595, 350233), (929, 224315), (1015, 205309), (1105, 188587), (1547, 134705), (1885, 110551), (2465, 84539), (2639, 78965), (3451, 60385), (4645, 44863), (6409, 32515), (6503, 32045), (7735, 26941), (12077, 17255), (13195, 15793)]