66278992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 150545920

約数和(自身を除く): 84266928

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 541, 589, 806, 988, 1082, 1178, 1612, 1976, 2164, 2356, 3224, 3952, 4328, 4712, 6448, 7033, 7657, 8656, 9424, 10279, 14066, 15314, 16771, 20558, 28132, 30628, 33542, 41116, 56264, 61256, 67084, 82232, 112528, 122512, 133627, 134168, 164464, 218023, 267254, 268336, 318649, 436046, 534508, 637298, 872092, 1069016, 1274596, 1744184, 2138032, 2549192, 3488368, 4142437, 5098384, 8284874, 16569748, 33139496, 66278992]

約数ペア:

[(1, 66278992), (2, 33139496), (4, 16569748), (8, 8284874), (13, 5098384), (16, 4142437), (19, 3488368), (26, 2549192), (31, 2138032), (38, 1744184), (52, 1274596), (62, 1069016), (76, 872092), (104, 637298), (124, 534508), (152, 436046), (208, 318649), (247, 268336), (248, 267254), (304, 218023), (403, 164464), (494, 134168), (496, 133627), (541, 122512), (589, 112528), (806, 82232), (988, 67084), (1082, 61256), (1178, 56264), (1612, 41116), (1976, 33542), (2164, 30628), (2356, 28132), (3224, 20558), (3952, 16771), (4328, 15314), (4712, 14066), (6448, 10279), (7033, 9424), (7657, 8656)]