840796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 1629936

約数和(自身を除く): 789140

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 197, 388, 394, 788, 1067, 2134, 2167, 4268, 4334, 8668, 19109, 38218, 76436, 210199, 420398, 840796]

約数ペア:

[(1, 840796), (2, 420398), (4, 210199), (11, 76436), (22, 38218), (44, 19109), (97, 8668), (194, 4334), (197, 4268), (388, 2167), (394, 2134), (788, 1067)]