81938296

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1801}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 172559520

約数和(自身を除く): 90621224

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 121, 188, 242, 376, 484, 517, 968, 1034, 1801, 2068, 3602, 4136, 5687, 7204, 11374, 14408, 19811, 22748, 39622, 45496, 79244, 84647, 158488, 169294, 217921, 338588, 435842, 677176, 871684, 931117, 1743368, 1862234, 3724468, 7448936, 10242287, 20484574, 40969148, 81938296]

約数ペア:

[(1, 81938296), (2, 40969148), (4, 20484574), (8, 10242287), (11, 7448936), (22, 3724468), (44, 1862234), (47, 1743368), (88, 931117), (94, 871684), (121, 677176), (188, 435842), (242, 338588), (376, 217921), (484, 169294), (517, 158488), (968, 84647), (1034, 79244), (1801, 45496), (2068, 39622), (3602, 22748), (4136, 19811), (5687, 14408), (7204, 11374)]