28206068

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:704

約数の個数: 36

約数和(自身を含む): 54888036

約数和(自身を除く): 26681968

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 404, 484, 577, 1111, 1154, 2222, 2308, 4444, 6347, 12221, 12694, 24442, 25388, 48884, 58277, 69817, 116554, 139634, 233108, 279268, 641047, 1282094, 2564188, 7051517, 14103034, 28206068]

約数ペア:

[(1, 28206068), (2, 14103034), (4, 7051517), (11, 2564188), (22, 1282094), (44, 641047), (101, 279268), (121, 233108), (202, 139634), (242, 116554), (404, 69817), (484, 58277), (577, 48884), (1111, 25388), (1154, 24442), (2222, 12694), (2308, 12221), (4444, 6347)]