1281375728

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{443}}^1\times {\mathrm{617}}^1$

素因数の和:1361

約数の個数: 40

約数和(自身を含む): 2500808688

約数和(自身を除く): 1219432960

約数列:

[1, 2, 4, 8, 16, 293, 443, 586, 617, 886, 1172, 1234, 1772, 2344, 2468, 3544, 4688, 4936, 7088, 9872, 129799, 180781, 259598, 273331, 361562, 519196, 546662, 723124, 1038392, 1093324, 1446248, 2076784, 2186648, 2892496, 4373296, 80085983, 160171966, 320343932, 640687864, 1281375728]

約数ペア:

[(1, 1281375728), (2, 640687864), (4, 320343932), (8, 160171966), (16, 80085983), (293, 4373296), (443, 2892496), (586, 2186648), (617, 2076784), (886, 1446248), (1172, 1093324), (1234, 1038392), (1772, 723124), (2344, 546662), (2468, 519196), (3544, 361562), (4688, 273331), (4936, 259598), (7088, 180781), (9872, 129799)]