81289608

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{347}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 209468160

約数和(自身を除く): 128178552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 227, 258, 344, 347, 454, 516, 681, 694, 908, 1032, 1041, 1362, 1388, 1816, 2082, 2724, 2776, 4164, 5448, 8328, 9761, 14921, 19522, 29283, 29842, 39044, 44763, 58566, 59684, 78088, 78769, 89526, 117132, 119368, 157538, 179052, 234264, 236307, 315076, 358104, 472614, 630152, 945228, 1890456, 3387067, 6774134, 10161201, 13548268, 20322402, 27096536, 40644804, 81289608]

約数ペア:

[(1, 81289608), (2, 40644804), (3, 27096536), (4, 20322402), (6, 13548268), (8, 10161201), (12, 6774134), (24, 3387067), (43, 1890456), (86, 945228), (129, 630152), (172, 472614), (227, 358104), (258, 315076), (344, 236307), (347, 234264), (454, 179052), (516, 157538), (681, 119368), (694, 117132), (908, 89526), (1032, 78769), (1041, 78088), (1362, 59684), (1388, 58566), (1816, 44763), (2082, 39044), (2724, 29842), (2776, 29283), (4164, 19522), (5448, 14921), (8328, 9761)]