2017820728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{142421}}^1$

素因数の和:142468

約数の個数: 64

約数和(自身を含む): 4922104320

約数和(自身を除く): 2904283592

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1771, 2024, 3542, 7084, 14168, 142421, 284842, 569684, 996947, 1139368, 1566631, 1993894, 3133262, 3275683, 3987788, 6266524, 6551366, 7975576, 10966417, 12533048, 13102732, 21932834, 22929781, 26205464, 36032513, 43865668, 45859562, 72065026, 87731336, 91719124, 144130052, 183438248, 252227591, 288260104, 504455182, 1008910364, 2017820728]

約数ペア:

[(1, 2017820728), (2, 1008910364), (4, 504455182), (7, 288260104), (8, 252227591), (11, 183438248), (14, 144130052), (22, 91719124), (23, 87731336), (28, 72065026), (44, 45859562), (46, 43865668), (56, 36032513), (77, 26205464), (88, 22929781), (92, 21932834), (154, 13102732), (161, 12533048), (184, 10966417), (253, 7975576), (308, 6551366), (322, 6266524), (506, 3987788), (616, 3275683), (644, 3133262), (1012, 1993894), (1288, 1566631), (1771, 1139368), (2024, 996947), (3542, 569684), (7084, 284842), (14168, 142421)]