31177356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 87091200

約数和(自身を除く): 55913844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 53, 84, 94, 106, 141, 149, 159, 188, 212, 282, 298, 318, 329, 371, 447, 564, 596, 636, 658, 742, 894, 987, 1043, 1113, 1316, 1484, 1788, 1974, 2086, 2226, 2491, 3129, 3948, 4172, 4452, 4982, 6258, 7003, 7473, 7897, 9964, 12516, 14006, 14946, 15794, 17437, 21009, 23691, 28012, 29892, 31588, 34874, 42018, 47382, 49021, 52311, 55279, 69748, 84036, 94764, 98042, 104622, 110558, 147063, 165837, 196084, 209244, 221116, 294126, 331674, 371159, 588252, 663348, 742318, 1113477, 1484636, 2226954, 2598113, 4453908, 5196226, 7794339, 10392452, 15588678, 31177356]

約数ペア:

[(1, 31177356), (2, 15588678), (3, 10392452), (4, 7794339), (6, 5196226), (7, 4453908), (12, 2598113), (14, 2226954), (21, 1484636), (28, 1113477), (42, 742318), (47, 663348), (53, 588252), (84, 371159), (94, 331674), (106, 294126), (141, 221116), (149, 209244), (159, 196084), (188, 165837), (212, 147063), (282, 110558), (298, 104622), (318, 98042), (329, 94764), (371, 84036), (447, 69748), (564, 55279), (596, 52311), (636, 49021), (658, 47382), (742, 42018), (894, 34874), (987, 31588), (1043, 29892), (1113, 28012), (1316, 23691), (1484, 21009), (1788, 17437), (1974, 15794), (2086, 14946), (2226, 14006), (2491, 12516), (3129, 9964), (3948, 7897), (4172, 7473), (4452, 7003), (4982, 6258)]