16886155

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 25472160

約数和(自身を除く): 8586005

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 113, 121, 143, 209, 247, 565, 605, 715, 1045, 1235, 1243, 1469, 1573, 2147, 2299, 2717, 6215, 7345, 7865, 10735, 11495, 13585, 13673, 16159, 23617, 27911, 29887, 68365, 80795, 118085, 139555, 149435, 177749, 259787, 307021, 888745, 1298935, 1535105, 3377231, 16886155]

約数ペア:

[(1, 16886155), (5, 3377231), (11, 1535105), (13, 1298935), (19, 888745), (55, 307021), (65, 259787), (95, 177749), (113, 149435), (121, 139555), (143, 118085), (209, 80795), (247, 68365), (565, 29887), (605, 27911), (715, 23617), (1045, 16159), (1235, 13673), (1243, 13585), (1469, 11495), (1573, 10735), (2147, 7865), (2299, 7345), (2717, 6215)]