204815548

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 417312000

約数和(自身を除く): 212496452

約数列:

[1, 2, 4, 7, 14, 28, 107, 137, 214, 274, 428, 499, 548, 749, 959, 998, 1498, 1918, 1996, 2996, 3493, 3836, 6986, 13972, 14659, 29318, 53393, 58636, 68363, 102613, 106786, 136726, 205226, 213572, 273452, 373751, 410452, 478541, 747502, 957082, 1495004, 1914164, 7314841, 14629682, 29259364, 51203887, 102407774, 204815548]

約数ペア:

[(1, 204815548), (2, 102407774), (4, 51203887), (7, 29259364), (14, 14629682), (28, 7314841), (107, 1914164), (137, 1495004), (214, 957082), (274, 747502), (428, 478541), (499, 410452), (548, 373751), (749, 273452), (959, 213572), (998, 205226), (1498, 136726), (1918, 106786), (1996, 102613), (2996, 68363), (3493, 58636), (3836, 53393), (6986, 29318), (13972, 14659)]