81109204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{1627}}^1$

素因数の和:1756

約数の個数: 36

約数和(自身を含む): 157629472

約数和(自身を除く): 76520268

約数列:

[1, 2, 4, 11, 22, 44, 103, 121, 206, 242, 412, 484, 1133, 1627, 2266, 3254, 4532, 6508, 12463, 17897, 24926, 35794, 49852, 71588, 167581, 196867, 335162, 393734, 670324, 787468, 1843391, 3686782, 7373564, 20277301, 40554602, 81109204]

約数ペア:

[(1, 81109204), (2, 40554602), (4, 20277301), (11, 7373564), (22, 3686782), (44, 1843391), (103, 787468), (121, 670324), (206, 393734), (242, 335162), (412, 196867), (484, 167581), (1133, 71588), (1627, 49852), (2266, 35794), (3254, 24926), (4532, 17897), (6508, 12463)]