1337996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 2612736

約数和(自身を除く): 1274740

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 647, 1034, 1294, 2068, 2588, 7117, 14234, 28468, 30409, 60818, 121636, 334499, 668998, 1337996]

約数ペア:

[(1, 1337996), (2, 668998), (4, 334499), (11, 121636), (22, 60818), (44, 30409), (47, 28468), (94, 14234), (188, 7117), (517, 2588), (647, 2068), (1034, 1294)]