81407628904

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1951}}^1\times {\mathrm{5867}}^1$

素因数の和:7958

約数の個数: 64

約数和(自身を含む): 175938600960

約数和(自身を除く): 94530972056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 1951, 3556, 3902, 5867, 7112, 7804, 11734, 13657, 15608, 23468, 27314, 41069, 46936, 54628, 82138, 109256, 164276, 247777, 328552, 495554, 745109, 991108, 1490218, 1734439, 1982216, 2980436, 3468878, 5215763, 5960872, 6937756, 10431526, 11446517, 13875512, 20863052, 22893034, 41726104, 45786068, 80125619, 91572136, 160251238, 320502476, 641004952, 1453707659, 2907415318, 5814830636, 10175953613, 11629661272, 20351907226, 40703814452, 81407628904]

約数ペア:

[(1, 81407628904), (2, 40703814452), (4, 20351907226), (7, 11629661272), (8, 10175953613), (14, 5814830636), (28, 2907415318), (56, 1453707659), (127, 641004952), (254, 320502476), (508, 160251238), (889, 91572136), (1016, 80125619), (1778, 45786068), (1951, 41726104), (3556, 22893034), (3902, 20863052), (5867, 13875512), (7112, 11446517), (7804, 10431526), (11734, 6937756), (13657, 5960872), (15608, 5215763), (23468, 3468878), (27314, 2980436), (41069, 1982216), (46936, 1734439), (54628, 1490218), (82138, 991108), (109256, 745109), (164276, 495554), (247777, 328552)]