138857422

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{573791}}^1$

素因数の和:573815

約数の個数: 12

約数和(自身を含む): 228943008

約数和(自身を除く): 90085586

約数列:

[1, 2, 11, 22, 121, 242, 573791, 1147582, 6311701, 12623402, 69428711, 138857422]

約数ペア:

[(1, 138857422), (2, 69428711), (11, 12623402), (22, 6311701), (121, 1147582), (242, 573791)]