51355430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{337}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 108197856

約数和(自身を除く): 56842426

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 311, 337, 490, 622, 674, 1555, 1685, 2177, 2359, 3110, 3370, 4354, 4718, 10885, 11795, 15239, 16513, 21770, 23590, 30478, 33026, 76195, 82565, 104807, 152390, 165130, 209614, 524035, 733649, 1048070, 1467298, 3668245, 5135543, 7336490, 10271086, 25677715, 51355430]

約数ペア:

[(1, 51355430), (2, 25677715), (5, 10271086), (7, 7336490), (10, 5135543), (14, 3668245), (35, 1467298), (49, 1048070), (70, 733649), (98, 524035), (245, 209614), (311, 165130), (337, 152390), (490, 104807), (622, 82565), (674, 76195), (1555, 33026), (1685, 30478), (2177, 23590), (2359, 21770), (3110, 16513), (3370, 15239), (4354, 11795), (4718, 10885)]