28239638

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{3089}}^1$

素因数の和:3751

約数の個数: 16

約数和(自身を含む): 48500640

約数和(自身を除く): 20261002

約数列:

[1, 2, 7, 14, 653, 1306, 3089, 4571, 6178, 9142, 21623, 43246, 2017117, 4034234, 14119819, 28239638]

約数ペア:

[(1, 28239638), (2, 14119819), (7, 4034234), (14, 2017117), (653, 43246), (1306, 21623), (3089, 9142), (4571, 6178)]