217659310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{4591}}^1$

素因数の和:5040

約数の個数: 32

約数和(自身を含む): 428488704

約数和(自身を除く): 210829394

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 431, 862, 2155, 4310, 4591, 4741, 9182, 9482, 22955, 23705, 45910, 47410, 50501, 101002, 252505, 505010, 1978721, 3957442, 9893605, 19787210, 21765931, 43531862, 108829655, 217659310]

約数ペア:

[(1, 217659310), (2, 108829655), (5, 43531862), (10, 21765931), (11, 19787210), (22, 9893605), (55, 3957442), (110, 1978721), (431, 505010), (862, 252505), (2155, 101002), (4310, 50501), (4591, 47410), (4741, 45910), (9182, 23705), (9482, 22955)]