217654756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{67763}}^1$

素因数の和:67851

約数の個数: 24

約数和(自身を含む): 421221024

約数和(自身を除く): 203566268

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 67763, 135526, 271052, 745393, 1490786, 2981572, 4946699, 9893398, 19786796, 54413689, 108827378, 217654756]

約数ペア:

[(1, 217654756), (2, 108827378), (4, 54413689), (11, 19786796), (22, 9893398), (44, 4946699), (73, 2981572), (146, 1490786), (292, 745393), (803, 271052), (1606, 135526), (3212, 67763)]