81156196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1031}}^1\times {\mathrm{1789}}^1$

素因数の和:2835

約数の個数: 24

約数和(自身を含む): 155171520

約数和(自身を除く): 74015324

約数列:

[1, 2, 4, 11, 22, 44, 1031, 1789, 2062, 3578, 4124, 7156, 11341, 19679, 22682, 39358, 45364, 78716, 1844459, 3688918, 7377836, 20289049, 40578098, 81156196]

約数ペア:

[(1, 81156196), (2, 40578098), (4, 20289049), (11, 7377836), (22, 3688918), (44, 1844459), (1031, 78716), (1789, 45364), (2062, 39358), (3578, 22682), (4124, 19679), (7156, 11341)]