28162804

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 50198400

約数和(自身を除く): 22035596

約数列:

[1, 2, 4, 89, 178, 239, 331, 356, 478, 662, 956, 1324, 21271, 29459, 42542, 58918, 79109, 85084, 117836, 158218, 316436, 7040701, 14081402, 28162804]

約数ペア:

[(1, 28162804), (2, 14081402), (4, 7040701), (89, 316436), (178, 158218), (239, 117836), (331, 85084), (356, 79109), (478, 58918), (662, 42542), (956, 29459), (1324, 21271)]