127968686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 208258560

約数和(自身を除く): 80289874

約数列:

[1, 2, 19, 38, 47, 94, 137, 274, 523, 893, 1046, 1786, 2603, 5206, 6439, 9937, 12878, 19874, 24581, 49162, 71651, 122341, 143302, 244682, 467039, 934078, 1361369, 2722738, 3367597, 6735194, 63984343, 127968686]

約数ペア:

[(1, 127968686), (2, 63984343), (19, 6735194), (38, 3367597), (47, 2722738), (94, 1361369), (137, 934078), (274, 467039), (523, 244682), (893, 143302), (1046, 122341), (1786, 71651), (2603, 49162), (5206, 24581), (6439, 19874), (9937, 12878)]