81387262

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 144559296

約数和(自身を除く): 63172034

約数列:

[1, 2, 11, 17, 22, 34, 73, 121, 146, 187, 242, 271, 374, 542, 803, 1241, 1606, 2057, 2482, 2981, 4114, 4607, 5962, 8833, 9214, 13651, 17666, 19783, 27302, 32791, 39566, 50677, 65582, 101354, 150161, 217613, 300322, 336311, 435226, 557447, 672622, 1114894, 2393743, 3699421, 4787486, 7398842, 40693631, 81387262]

約数ペア:

[(1, 81387262), (2, 40693631), (11, 7398842), (17, 4787486), (22, 3699421), (34, 2393743), (73, 1114894), (121, 672622), (146, 557447), (187, 435226), (242, 336311), (271, 300322), (374, 217613), (542, 150161), (803, 101354), (1241, 65582), (1606, 50677), (2057, 39566), (2482, 32791), (2981, 27302), (4114, 19783), (4607, 17666), (5962, 13651), (8833, 9214)]