81686924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{45281}}^1$

素因数の和:45337

約数の個数: 24

約数和(自身を含む): 159754896

約数和(自身を除く): 78067972

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 45281, 90562, 181124, 498091, 996182, 1856521, 1992364, 3713042, 7426084, 20421731, 40843462, 81686924]

約数ペア:

[(1, 81686924), (2, 40843462), (4, 20421731), (11, 7426084), (22, 3713042), (41, 1992364), (44, 1856521), (82, 996182), (164, 498091), (451, 181124), (902, 90562), (1804, 45281)]