81318146

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 165473280

約数和(自身を除く): 84155134

約数列:

[1, 2, 7, 13, 14, 26, 29, 31, 49, 58, 62, 71, 91, 98, 142, 182, 203, 217, 377, 403, 406, 434, 497, 637, 754, 806, 899, 923, 994, 1274, 1421, 1519, 1798, 1846, 2059, 2201, 2639, 2821, 2842, 3038, 3479, 4118, 4402, 5278, 5642, 6293, 6461, 6958, 11687, 12586, 12922, 14413, 15407, 18473, 19747, 23374, 26767, 28613, 28826, 30814, 36946, 39494, 44051, 45227, 53534, 57226, 63829, 81809, 88102, 90454, 100891, 107849, 127658, 163618, 187369, 200291, 201782, 215698, 374738, 400582, 446803, 572663, 829777, 893606, 1145326, 1311583, 1402037, 1659554, 2623166, 2804074, 3127621, 5808439, 6255242, 11616878, 40659073, 81318146]

約数ペア:

[(1, 81318146), (2, 40659073), (7, 11616878), (13, 6255242), (14, 5808439), (26, 3127621), (29, 2804074), (31, 2623166), (49, 1659554), (58, 1402037), (62, 1311583), (71, 1145326), (91, 893606), (98, 829777), (142, 572663), (182, 446803), (203, 400582), (217, 374738), (377, 215698), (403, 201782), (406, 200291), (434, 187369), (497, 163618), (637, 127658), (754, 107849), (806, 100891), (899, 90454), (923, 88102), (994, 81809), (1274, 63829), (1421, 57226), (1519, 53534), (1798, 45227), (1846, 44051), (2059, 39494), (2201, 36946), (2639, 30814), (2821, 28826), (2842, 28613), (3038, 26767), (3479, 23374), (4118, 19747), (4402, 18473), (5278, 15407), (5642, 14413), (6293, 12922), (6461, 12586), (6958, 11687)]