28666687

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3217}}^1$

素因数の和:3310

約数の個数: 16

約数和(自身を含む): 35011840

約数和(自身を除く): 6345153

約数列:

[1, 7, 19, 67, 133, 469, 1273, 3217, 8911, 22519, 61123, 215539, 427861, 1508773, 4095241, 28666687]

約数ペア:

[(1, 28666687), (7, 4095241), (19, 1508773), (67, 427861), (133, 215539), (469, 61123), (1273, 22519), (3217, 8911)]