81874212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{23773}}^1$

素因数の和:23828

約数の個数: 48

約数和(自身を含む): 223665792

約数和(自身を除く): 141791580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 23773, 47546, 71319, 95092, 142638, 166411, 285276, 332822, 499233, 665644, 974693, 998466, 1949386, 1996932, 2924079, 3898772, 5848158, 6822851, 11696316, 13645702, 20468553, 27291404, 40937106, 81874212]

約数ペア:

[(1, 81874212), (2, 40937106), (3, 27291404), (4, 20468553), (6, 13645702), (7, 11696316), (12, 6822851), (14, 5848158), (21, 3898772), (28, 2924079), (41, 1996932), (42, 1949386), (82, 998466), (84, 974693), (123, 665644), (164, 499233), (246, 332822), (287, 285276), (492, 166411), (574, 142638), (861, 95092), (1148, 71319), (1722, 47546), (3444, 23773)]