290884

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{601}}^1$

素因数の和:627

約数の個数: 18

約数和(自身を含む): 560462

約数和(自身を除く): 269578

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 601, 1202, 2404, 6611, 13222, 26444, 72721, 145442, 290884]

約数ペア:

[(1, 290884), (2, 145442), (4, 72721), (11, 26444), (22, 13222), (44, 6611), (121, 2404), (242, 1202), (484, 601)]