38997332

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:632

約数の個数: 36

約数和(自身を含む): 75578580

約数和(自身を除く): 36581248

約数列:

[1, 2, 4, 11, 22, 44, 121, 197, 242, 394, 409, 484, 788, 818, 1636, 2167, 4334, 4499, 8668, 8998, 17996, 23837, 47674, 49489, 80573, 95348, 98978, 161146, 197956, 322292, 886303, 1772606, 3545212, 9749333, 19498666, 38997332]

約数ペア:

[(1, 38997332), (2, 19498666), (4, 9749333), (11, 3545212), (22, 1772606), (44, 886303), (121, 322292), (197, 197956), (242, 161146), (394, 98978), (409, 95348), (484, 80573), (788, 49489), (818, 47674), (1636, 23837), (2167, 17996), (4334, 8998), (4499, 8668)]