639563689807

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1\times {\mathrm{18199}}^1$

素因数の和:18955

約数の個数: 32

約数和(自身を含む): 751435776000

約数和(自身を除く): 111872086193

約数列:

[1, 7, 47, 223, 329, 479, 1561, 3353, 10481, 18199, 22513, 73367, 106817, 127393, 157591, 747719, 855353, 4058377, 5020399, 5987471, 8717321, 28408639, 35142793, 61021247, 190743719, 409714087, 1335206033, 1943962583, 2867998609, 13607738081, 91366241401, 639563689807]

約数ペア:

[(1, 639563689807), (7, 91366241401), (47, 13607738081), (223, 2867998609), (329, 1943962583), (479, 1335206033), (1561, 409714087), (3353, 190743719), (10481, 61021247), (18199, 35142793), (22513, 28408639), (73367, 8717321), (106817, 5987471), (127393, 5020399), (157591, 4058377), (747719, 855353)]