28638532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5347}}^1$

素因数の和:5467

約数の個数: 24

約数和(自身を含む): 54506816

約数和(自身を除く): 25868284

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5347, 5356, 10694, 21388, 69511, 139022, 278044, 550741, 1101482, 2202964, 7159633, 14319266, 28638532]

約数ペア:

[(1, 28638532), (2, 14319266), (4, 7159633), (13, 2202964), (26, 1101482), (52, 550741), (103, 278044), (206, 139022), (412, 69511), (1339, 21388), (2678, 10694), (5347, 5356)]