28025404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8971}}^1$

素因数の和:9057

約数の個数: 24

約数和(自身を含む): 54262656

約数和(自身を除く): 26237252

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 8971, 17942, 35884, 98681, 197362, 394724, 636941, 1273882, 2547764, 7006351, 14012702, 28025404]

約数ペア:

[(1, 28025404), (2, 14012702), (4, 7006351), (11, 2547764), (22, 1273882), (44, 636941), (71, 394724), (142, 197362), (284, 98681), (781, 35884), (1562, 17942), (3124, 8971)]