64571984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5051}}^1$

素因数の和:5123

約数の個数: 40

約数和(自身を含む): 135312768

約数和(自身を除く): 70740784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1598, 3196, 5051, 6392, 10102, 12784, 20204, 40408, 80816, 85867, 171734, 237397, 343468, 474794, 686936, 949588, 1373872, 1899176, 3798352, 4035749, 8071498, 16142996, 32285992, 64571984]

約数ペア:

[(1, 64571984), (2, 32285992), (4, 16142996), (8, 8071498), (16, 4035749), (17, 3798352), (34, 1899176), (47, 1373872), (68, 949588), (94, 686936), (136, 474794), (188, 343468), (272, 237397), (376, 171734), (752, 85867), (799, 80816), (1598, 40408), (3196, 20204), (5051, 12784), (6392, 10102)]