28109653

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 8081579

約数列:

[1, 11, 13, 17, 31, 143, 187, 221, 341, 373, 403, 527, 2431, 4103, 4433, 4849, 5797, 6341, 6851, 11563, 53339, 69751, 75361, 82433, 127193, 150319, 196571, 906763, 1653509, 2162281, 2555423, 28109653]

約数ペア:

[(1, 28109653), (11, 2555423), (13, 2162281), (17, 1653509), (31, 906763), (143, 196571), (187, 150319), (221, 127193), (341, 82433), (373, 75361), (403, 69751), (527, 53339), (2431, 11563), (4103, 6851), (4433, 6341), (4849, 5797)]