40505878

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{11527}}^1$

素因数の和:11787

約数の個数: 16

約数和(自身を含む): 69721344

約数和(自身を除く): 29215466

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 11527, 23054, 80689, 161378, 2893277, 5786554, 20252939, 40505878]

約数ペア:

[(1, 40505878), (2, 20252939), (7, 5786554), (14, 2893277), (251, 161378), (502, 80689), (1757, 23054), (3514, 11527)]