28757982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 71103744

約数和(自身を除く): 42345762

約数列:

[1, 2, 3, 6, 11, 17, 19, 22, 33, 34, 38, 51, 57, 66, 71, 102, 114, 142, 187, 209, 213, 323, 361, 374, 418, 426, 561, 627, 646, 722, 781, 969, 1083, 1122, 1207, 1254, 1349, 1562, 1938, 2166, 2343, 2414, 2698, 3553, 3621, 3971, 4047, 4686, 6137, 7106, 7242, 7942, 8094, 10659, 11913, 12274, 13277, 14839, 18411, 21318, 22933, 23826, 25631, 26554, 29678, 36822, 39831, 44517, 45866, 51262, 67507, 68799, 76893, 79662, 89034, 135014, 137598, 153786, 202521, 252263, 281941, 405042, 435727, 504526, 563882, 756789, 845823, 871454, 1307181, 1513578, 1691646, 2614362, 4792997, 9585994, 14378991, 28757982]

約数ペア:

[(1, 28757982), (2, 14378991), (3, 9585994), (6, 4792997), (11, 2614362), (17, 1691646), (19, 1513578), (22, 1307181), (33, 871454), (34, 845823), (38, 756789), (51, 563882), (57, 504526), (66, 435727), (71, 405042), (102, 281941), (114, 252263), (142, 202521), (187, 153786), (209, 137598), (213, 135014), (323, 89034), (361, 79662), (374, 76893), (418, 68799), (426, 67507), (561, 51262), (627, 45866), (646, 44517), (722, 39831), (781, 36822), (969, 29678), (1083, 26554), (1122, 25631), (1207, 23826), (1254, 22933), (1349, 21318), (1562, 18411), (1938, 14839), (2166, 13277), (2343, 12274), (2414, 11913), (2698, 10659), (3553, 8094), (3621, 7942), (3971, 7242), (4047, 7106), (4686, 6137)]