81908904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:503

約数の個数: 128

約数和(自身を含む): 258048000

約数和(自身を除く): 176139096

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 127, 132, 154, 168, 231, 254, 264, 308, 349, 381, 462, 508, 616, 698, 762, 889, 924, 1016, 1047, 1396, 1397, 1524, 1778, 1848, 2094, 2443, 2667, 2792, 2794, 3048, 3556, 3839, 4188, 4191, 4886, 5334, 5588, 7112, 7329, 7678, 8376, 8382, 9772, 9779, 10668, 11176, 11517, 14658, 15356, 16764, 19544, 19558, 21336, 23034, 26873, 29316, 29337, 30712, 33528, 39116, 44323, 46068, 53746, 58632, 58674, 78232, 80619, 88646, 92136, 107492, 117348, 132969, 161238, 177292, 214984, 234696, 265938, 310261, 322476, 354584, 487553, 531876, 620522, 644952, 930783, 975106, 1063752, 1241044, 1462659, 1861566, 1950212, 2482088, 2925318, 3412871, 3723132, 3900424, 5850636, 6825742, 7446264, 10238613, 11701272, 13651484, 20477226, 27302968, 40954452, 81908904]

約数ペア:

[(1, 81908904), (2, 40954452), (3, 27302968), (4, 20477226), (6, 13651484), (7, 11701272), (8, 10238613), (11, 7446264), (12, 6825742), (14, 5850636), (21, 3900424), (22, 3723132), (24, 3412871), (28, 2925318), (33, 2482088), (42, 1950212), (44, 1861566), (56, 1462659), (66, 1241044), (77, 1063752), (84, 975106), (88, 930783), (127, 644952), (132, 620522), (154, 531876), (168, 487553), (231, 354584), (254, 322476), (264, 310261), (308, 265938), (349, 234696), (381, 214984), (462, 177292), (508, 161238), (616, 132969), (698, 117348), (762, 107492), (889, 92136), (924, 88646), (1016, 80619), (1047, 78232), (1396, 58674), (1397, 58632), (1524, 53746), (1778, 46068), (1848, 44323), (2094, 39116), (2443, 33528), (2667, 30712), (2792, 29337), (2794, 29316), (3048, 26873), (3556, 23034), (3839, 21336), (4188, 19558), (4191, 19544), (4886, 16764), (5334, 15356), (5588, 14658), (7112, 11517), (7329, 11176), (7678, 10668), (8376, 9779), (8382, 9772)]