128853438

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 331776000

約数和(自身を除く): 202922562

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 34, 42, 49, 51, 58, 87, 98, 102, 119, 127, 147, 174, 203, 238, 254, 294, 343, 357, 381, 406, 493, 609, 686, 714, 762, 833, 889, 986, 1029, 1218, 1421, 1479, 1666, 1778, 2058, 2159, 2499, 2667, 2842, 2958, 3451, 3683, 4263, 4318, 4998, 5334, 5831, 6223, 6477, 6902, 7366, 8526, 9947, 10353, 11049, 11662, 12446, 12954, 15113, 17493, 18669, 19894, 20706, 22098, 24157, 25781, 29841, 30226, 34986, 37338, 43561, 45339, 48314, 51562, 59682, 62611, 72471, 77343, 87122, 90678, 105791, 125222, 130683, 144942, 154686, 169099, 180467, 187833, 211582, 261366, 317373, 338198, 360934, 375666, 438277, 507297, 541401, 634746, 740537, 876554, 1014594, 1082802, 1263269, 1314831, 1481074, 2221611, 2526538, 2629662, 3067939, 3789807, 4443222, 6135878, 7579614, 9203817, 18407634, 21475573, 42951146, 64426719, 128853438]

約数ペア:

[(1, 128853438), (2, 64426719), (3, 42951146), (6, 21475573), (7, 18407634), (14, 9203817), (17, 7579614), (21, 6135878), (29, 4443222), (34, 3789807), (42, 3067939), (49, 2629662), (51, 2526538), (58, 2221611), (87, 1481074), (98, 1314831), (102, 1263269), (119, 1082802), (127, 1014594), (147, 876554), (174, 740537), (203, 634746), (238, 541401), (254, 507297), (294, 438277), (343, 375666), (357, 360934), (381, 338198), (406, 317373), (493, 261366), (609, 211582), (686, 187833), (714, 180467), (762, 169099), (833, 154686), (889, 144942), (986, 130683), (1029, 125222), (1218, 105791), (1421, 90678), (1479, 87122), (1666, 77343), (1778, 72471), (2058, 62611), (2159, 59682), (2499, 51562), (2667, 48314), (2842, 45339), (2958, 43561), (3451, 37338), (3683, 34986), (4263, 30226), (4318, 29841), (4998, 25781), (5334, 24157), (5831, 22098), (6223, 20706), (6477, 19894), (6902, 18669), (7366, 17493), (8526, 15113), (9947, 12954), (10353, 12446), (11049, 11662)]