71431388

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{3943}}^1$

素因数の和:4601

約数の個数: 24

約数和(自身を含む): 143119872

約数和(自身を除く): 71688484

約数列:

[1, 2, 4, 7, 14, 28, 647, 1294, 2588, 3943, 4529, 7886, 9058, 15772, 18116, 27601, 55202, 110404, 2551121, 5102242, 10204484, 17857847, 35715694, 71431388]

約数ペア:

[(1, 71431388), (2, 35715694), (4, 17857847), (7, 10204484), (14, 5102242), (28, 2551121), (647, 110404), (1294, 55202), (2588, 27601), (3943, 18116), (4529, 15772), (7886, 9058)]