78545556

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 203758464

約数和(自身を除く): 125212908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 97, 166, 194, 249, 271, 291, 332, 388, 498, 542, 582, 747, 813, 873, 996, 1084, 1164, 1494, 1626, 1746, 2439, 2988, 3252, 3492, 4878, 8051, 9756, 16102, 22493, 24153, 26287, 32204, 44986, 48306, 52574, 67479, 72459, 78861, 89972, 96612, 105148, 134958, 144918, 157722, 202437, 236583, 269916, 289836, 315444, 404874, 473166, 809748, 946332, 2181821, 4363642, 6545463, 8727284, 13090926, 19636389, 26181852, 39272778, 78545556]

約数ペア:

[(1, 78545556), (2, 39272778), (3, 26181852), (4, 19636389), (6, 13090926), (9, 8727284), (12, 6545463), (18, 4363642), (36, 2181821), (83, 946332), (97, 809748), (166, 473166), (194, 404874), (249, 315444), (271, 289836), (291, 269916), (332, 236583), (388, 202437), (498, 157722), (542, 144918), (582, 134958), (747, 105148), (813, 96612), (873, 89972), (996, 78861), (1084, 72459), (1164, 67479), (1494, 52574), (1626, 48306), (1746, 44986), (2439, 32204), (2988, 26287), (3252, 24153), (3492, 22493), (4878, 16102), (8051, 9756)]