28716272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138059}}^1$

素因数の和:138080

約数の個数: 20

約数和(自身を含む): 59918040

約数和(自身を除く): 31201768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138059, 276118, 552236, 1104472, 1794767, 2208944, 3589534, 7179068, 14358136, 28716272]

約数ペア:

[(1, 28716272), (2, 14358136), (4, 7179068), (8, 3589534), (13, 2208944), (16, 1794767), (26, 1104472), (52, 552236), (104, 276118), (208, 138059)]