68730896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5417}}^1$

素因数の和:5499

約数の個数: 40

約数和(自身を含む): 145787544

約数和(自身を除く): 77056648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 5417, 6344, 10834, 12688, 21668, 43336, 70421, 86672, 140842, 281684, 330437, 563368, 660874, 1126736, 1321748, 2643496, 4295681, 5286992, 8591362, 17182724, 34365448, 68730896]

約数ペア:

[(1, 68730896), (2, 34365448), (4, 17182724), (8, 8591362), (13, 5286992), (16, 4295681), (26, 2643496), (52, 1321748), (61, 1126736), (104, 660874), (122, 563368), (208, 330437), (244, 281684), (488, 140842), (793, 86672), (976, 70421), (1586, 43336), (3172, 21668), (5417, 12688), (6344, 10834)]