28890428

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9643}}^1$

素因数の和:9761

約数の個数: 24

約数和(自身を含む): 58326912

約数和(自身を除く): 29436484

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 9643, 19286, 38572, 67501, 135002, 270004, 1031801, 2063602, 4127204, 7222607, 14445214, 28890428]

約数ペア:

[(1, 28890428), (2, 14445214), (4, 7222607), (7, 4127204), (14, 2063602), (28, 1031801), (107, 270004), (214, 135002), (428, 67501), (749, 38572), (1498, 19286), (2996, 9643)]