81742788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{941}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 219448320

約数和(自身を除く): 137705532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 127, 171, 228, 254, 342, 381, 508, 684, 762, 941, 1143, 1524, 1882, 2286, 2413, 2823, 3764, 4572, 4826, 5646, 7239, 8469, 9652, 11292, 14478, 16938, 17879, 21717, 28956, 33876, 35758, 43434, 53637, 71516, 86868, 107274, 119507, 160911, 214548, 239014, 321822, 358521, 478028, 643644, 717042, 1075563, 1434084, 2151126, 2270633, 4302252, 4541266, 6811899, 9082532, 13623798, 20435697, 27247596, 40871394, 81742788]

約数ペア:

[(1, 81742788), (2, 40871394), (3, 27247596), (4, 20435697), (6, 13623798), (9, 9082532), (12, 6811899), (18, 4541266), (19, 4302252), (36, 2270633), (38, 2151126), (57, 1434084), (76, 1075563), (114, 717042), (127, 643644), (171, 478028), (228, 358521), (254, 321822), (342, 239014), (381, 214548), (508, 160911), (684, 119507), (762, 107274), (941, 86868), (1143, 71516), (1524, 53637), (1882, 43434), (2286, 35758), (2413, 33876), (2823, 28956), (3764, 21717), (4572, 17879), (4826, 16938), (5646, 14478), (7239, 11292), (8469, 9652)]