64581786

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 80

約数和(自身を含む): 151286784

約数和(自身を除く): 86704998

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 73, 81, 86, 127, 129, 146, 162, 219, 254, 258, 381, 387, 438, 657, 762, 774, 1143, 1161, 1314, 1971, 2286, 2322, 3139, 3429, 3483, 3942, 5461, 5913, 6278, 6858, 6966, 9271, 9417, 10287, 10922, 11826, 16383, 18542, 18834, 20574, 27813, 28251, 32766, 49149, 55626, 56502, 83439, 84753, 98298, 147447, 166878, 169506, 250317, 254259, 294894, 398653, 442341, 500634, 508518, 750951, 797306, 884682, 1195959, 1501902, 2391918, 3587877, 7175754, 10763631, 21527262, 32290893, 64581786]

約数ペア:

[(1, 64581786), (2, 32290893), (3, 21527262), (6, 10763631), (9, 7175754), (18, 3587877), (27, 2391918), (43, 1501902), (54, 1195959), (73, 884682), (81, 797306), (86, 750951), (127, 508518), (129, 500634), (146, 442341), (162, 398653), (219, 294894), (254, 254259), (258, 250317), (381, 169506), (387, 166878), (438, 147447), (657, 98298), (762, 84753), (774, 83439), (1143, 56502), (1161, 55626), (1314, 49149), (1971, 32766), (2286, 28251), (2322, 27813), (3139, 20574), (3429, 18834), (3483, 18542), (3942, 16383), (5461, 11826), (5913, 10922), (6278, 10287), (6858, 9417), (6966, 9271)]