646326876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 192

約数和(自身を含む): 1842462720

約数和(自身を除く): 1196135844

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 19, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 101, 102, 114, 127, 156, 202, 204, 221, 228, 247, 254, 303, 323, 381, 404, 442, 494, 508, 606, 646, 663, 741, 762, 884, 969, 988, 1212, 1292, 1313, 1326, 1482, 1524, 1651, 1717, 1919, 1938, 2159, 2413, 2626, 2652, 2964, 3302, 3434, 3838, 3876, 3939, 4199, 4318, 4826, 4953, 5151, 5252, 5757, 6477, 6604, 6868, 7239, 7676, 7878, 8398, 8636, 9652, 9906, 10302, 11514, 12597, 12827, 12954, 14478, 15756, 16796, 19812, 20604, 22321, 23028, 24947, 25194, 25654, 25908, 28067, 28956, 31369, 32623, 38481, 41021, 44642, 49894, 50388, 51308, 56134, 62738, 65246, 66963, 74841, 76962, 82042, 84201, 89284, 94107, 97869, 99788, 112268, 123063, 125476, 130492, 133926, 149682, 153924, 164084, 166751, 168402, 188214, 195738, 218059, 243713, 246126, 267852, 299364, 333502, 336804, 376428, 391476, 424099, 436118, 487426, 492252, 500253, 533273, 654177, 667004, 731139, 848198, 872236, 974852, 1000506, 1066546, 1272297, 1308354, 1462278, 1599819, 1696396, 2001012, 2133092, 2544594, 2616708, 2834767, 2924556, 3168269, 3199638, 4143121, 5089188, 5669534, 6336538, 6399276, 8286242, 8504301, 9504807, 11339068, 12429363, 12673076, 16572484, 17008602, 19009614, 24858726, 34017204, 38019228, 49717452, 53860573, 107721146, 161581719, 215442292, 323163438, 646326876]

約数ペア:

[(1, 646326876), (2, 323163438), (3, 215442292), (4, 161581719), (6, 107721146), (12, 53860573), (13, 49717452), (17, 38019228), (19, 34017204), (26, 24858726), (34, 19009614), (38, 17008602), (39, 16572484), (51, 12673076), (52, 12429363), (57, 11339068), (68, 9504807), (76, 8504301), (78, 8286242), (101, 6399276), (102, 6336538), (114, 5669534), (127, 5089188), (156, 4143121), (202, 3199638), (204, 3168269), (221, 2924556), (228, 2834767), (247, 2616708), (254, 2544594), (303, 2133092), (323, 2001012), (381, 1696396), (404, 1599819), (442, 1462278), (494, 1308354), (508, 1272297), (606, 1066546), (646, 1000506), (663, 974852), (741, 872236), (762, 848198), (884, 731139), (969, 667004), (988, 654177), (1212, 533273), (1292, 500253), (1313, 492252), (1326, 487426), (1482, 436118), (1524, 424099), (1651, 391476), (1717, 376428), (1919, 336804), (1938, 333502), (2159, 299364), (2413, 267852), (2626, 246126), (2652, 243713), (2964, 218059), (3302, 195738), (3434, 188214), (3838, 168402), (3876, 166751), (3939, 164084), (4199, 153924), (4318, 149682), (4826, 133926), (4953, 130492), (5151, 125476), (5252, 123063), (5757, 112268), (6477, 99788), (6604, 97869), (6868, 94107), (7239, 89284), (7676, 84201), (7878, 82042), (8398, 76962), (8636, 74841), (9652, 66963), (9906, 65246), (10302, 62738), (11514, 56134), (12597, 51308), (12827, 50388), (12954, 49894), (14478, 44642), (15756, 41021), (16796, 38481), (19812, 32623), (20604, 31369), (22321, 28956), (23028, 28067), (24947, 25908), (25194, 25654)]