28390964

素因数分解:

$2^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1801}}^1$

素因数の和:2375

約数の個数: 24

約数和(自身を含む): 56914368

約数和(自身を除く): 28523404

約数列:

[1, 2, 4, 7, 14, 28, 563, 1126, 1801, 2252, 3602, 3941, 7204, 7882, 12607, 15764, 25214, 50428, 1013963, 2027926, 4055852, 7097741, 14195482, 28390964]

約数ペア:

[(1, 28390964), (2, 14195482), (4, 7097741), (7, 4055852), (14, 2027926), (28, 1013963), (563, 50428), (1126, 25214), (1801, 15764), (2252, 12607), (3602, 7882), (3941, 7204)]