81946722

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 194140800

約数和(自身を除く): 112194078

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 149, 286, 298, 429, 447, 641, 858, 894, 1282, 1639, 1923, 1937, 3278, 3846, 3874, 4917, 5811, 7051, 8333, 9834, 11622, 14102, 16666, 21153, 21307, 24999, 42306, 42614, 49998, 63921, 91663, 95509, 127842, 183326, 191018, 274989, 286527, 549978, 573054, 1050599, 1241617, 2101198, 2483234, 3151797, 3724851, 6303594, 7449702, 13657787, 27315574, 40973361, 81946722]

約数ペア:

[(1, 81946722), (2, 40973361), (3, 27315574), (6, 13657787), (11, 7449702), (13, 6303594), (22, 3724851), (26, 3151797), (33, 2483234), (39, 2101198), (66, 1241617), (78, 1050599), (143, 573054), (149, 549978), (286, 286527), (298, 274989), (429, 191018), (447, 183326), (641, 127842), (858, 95509), (894, 91663), (1282, 63921), (1639, 49998), (1923, 42614), (1937, 42306), (3278, 24999), (3846, 21307), (3874, 21153), (4917, 16666), (5811, 14102), (7051, 11622), (8333, 9834)]