64517810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{373}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 135838296

約数和(自身を除く): 71320486

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 353, 373, 490, 706, 746, 1765, 1865, 2471, 2611, 3530, 3730, 4942, 5222, 12355, 13055, 17297, 18277, 24710, 26110, 34594, 36554, 86485, 91385, 131669, 172970, 182770, 263338, 658345, 921683, 1316690, 1843366, 4608415, 6451781, 9216830, 12903562, 32258905, 64517810]

約数ペア:

[(1, 64517810), (2, 32258905), (5, 12903562), (7, 9216830), (10, 6451781), (14, 4608415), (35, 1843366), (49, 1316690), (70, 921683), (98, 658345), (245, 263338), (353, 182770), (373, 172970), (490, 131669), (706, 91385), (746, 86485), (1765, 36554), (1865, 34594), (2471, 26110), (2611, 24710), (3530, 18277), (3730, 17297), (4942, 13055), (5222, 12355)]