128538104

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{64013}}^1$

素因数の和:64270

約数の個数: 16

約数和(自身を含む): 241972920

約数和(自身を除く): 113434816

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 64013, 128026, 256052, 512104, 16067263, 32134526, 64269052, 128538104]

約数ペア:

[(1, 128538104), (2, 64269052), (4, 32134526), (8, 16067263), (251, 512104), (502, 256052), (1004, 128026), (2008, 64013)]