218829136

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{333581}}^1$

素因数の和:333630

約数の個数: 20

約数和(自身を含む): 434323764

約数和(自身を除く): 215494628

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 333581, 667162, 1334324, 2668648, 5337296, 13676821, 27353642, 54707284, 109414568, 218829136]

約数ペア:

[(1, 218829136), (2, 109414568), (4, 54707284), (8, 27353642), (16, 13676821), (41, 5337296), (82, 2668648), (164, 1334324), (328, 667162), (656, 333581)]