81868472

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 181621440

約数和(自身を除く): 99752968

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 181, 197, 287, 328, 362, 394, 574, 724, 788, 1148, 1267, 1379, 1448, 1576, 2296, 2534, 2758, 5068, 5516, 7421, 8077, 10136, 11032, 14842, 16154, 29684, 32308, 35657, 51947, 56539, 59368, 64616, 71314, 103894, 113078, 142628, 207788, 226156, 249599, 285256, 415576, 452312, 499198, 998396, 1461937, 1996792, 2923874, 5847748, 10233559, 11695496, 20467118, 40934236, 81868472]

約数ペア:

[(1, 81868472), (2, 40934236), (4, 20467118), (7, 11695496), (8, 10233559), (14, 5847748), (28, 2923874), (41, 1996792), (56, 1461937), (82, 998396), (164, 499198), (181, 452312), (197, 415576), (287, 285256), (328, 249599), (362, 226156), (394, 207788), (574, 142628), (724, 113078), (788, 103894), (1148, 71314), (1267, 64616), (1379, 59368), (1448, 56539), (1576, 51947), (2296, 35657), (2534, 32308), (2758, 29684), (5068, 16154), (5516, 14842), (7421, 11032), (8077, 10136)]