28239806

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{54517}}^1$

素因数の和:54563

約数の個数: 16

約数和(自身を含む): 49720416

約数和(自身を除く): 21480610

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 54517, 109034, 381619, 763238, 2017129, 4034258, 14119903, 28239806]

約数ペア:

[(1, 28239806), (2, 14119903), (7, 4034258), (14, 2017129), (37, 763238), (74, 381619), (259, 109034), (518, 54517)]