81248004

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 212722328

約数和(自身を除く): 131474324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 181, 222, 333, 337, 362, 444, 543, 666, 674, 724, 1011, 1086, 1332, 1348, 1629, 2022, 2172, 3033, 3258, 4044, 6066, 6516, 6697, 12132, 12469, 13394, 20091, 24938, 26788, 37407, 40182, 49876, 60273, 60997, 74814, 80364, 112221, 120546, 121994, 149628, 182991, 224442, 241092, 243988, 365982, 448884, 548973, 731964, 1097946, 2195892, 2256889, 4513778, 6770667, 9027556, 13541334, 20312001, 27082668, 40624002, 81248004]

約数ペア:

[(1, 81248004), (2, 40624002), (3, 27082668), (4, 20312001), (6, 13541334), (9, 9027556), (12, 6770667), (18, 4513778), (36, 2256889), (37, 2195892), (74, 1097946), (111, 731964), (148, 548973), (181, 448884), (222, 365982), (333, 243988), (337, 241092), (362, 224442), (444, 182991), (543, 149628), (666, 121994), (674, 120546), (724, 112221), (1011, 80364), (1086, 74814), (1332, 60997), (1348, 60273), (1629, 49876), (2022, 40182), (2172, 37407), (3033, 26788), (3258, 24938), (4044, 20091), (6066, 13394), (6516, 12469), (6697, 12132)]