66720342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{751}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 154635264

約数和(自身を除く): 87914922

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 67, 78, 102, 134, 201, 221, 402, 442, 663, 751, 871, 1139, 1326, 1502, 1742, 2253, 2278, 2613, 3417, 4506, 5226, 6834, 9763, 12767, 14807, 19526, 25534, 29289, 29614, 38301, 44421, 50317, 58578, 76602, 88842, 100634, 150951, 165971, 301902, 331942, 497913, 654121, 855389, 995826, 1308242, 1710778, 1962363, 2566167, 3924726, 5132334, 11120057, 22240114, 33360171, 66720342]

約数ペア:

[(1, 66720342), (2, 33360171), (3, 22240114), (6, 11120057), (13, 5132334), (17, 3924726), (26, 2566167), (34, 1962363), (39, 1710778), (51, 1308242), (67, 995826), (78, 855389), (102, 654121), (134, 497913), (201, 331942), (221, 301902), (402, 165971), (442, 150951), (663, 100634), (751, 88842), (871, 76602), (1139, 58578), (1326, 50317), (1502, 44421), (1742, 38301), (2253, 29614), (2278, 29289), (2613, 25534), (3417, 19526), (4506, 14807), (5226, 12767), (6834, 9763)]