28117988

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 50266944

約数和(自身を除く): 22148956

約数列:

[1, 2, 4, 71, 142, 181, 284, 362, 547, 724, 1094, 2188, 12851, 25702, 38837, 51404, 77674, 99007, 155348, 198014, 396028, 7029497, 14058994, 28117988]

約数ペア:

[(1, 28117988), (2, 14058994), (4, 7029497), (71, 396028), (142, 198014), (181, 155348), (284, 99007), (362, 77674), (547, 51404), (724, 38837), (1094, 25702), (2188, 12851)]