258136619765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1\times {\mathrm{631}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 336281476608

約数和(自身を除く): 78144856843

約数列:

[1, 5, 17, 61, 85, 257, 305, 307, 631, 1037, 1285, 1535, 3155, 4369, 5185, 5219, 10727, 15677, 18727, 21845, 26095, 38491, 53635, 78385, 78899, 93635, 162167, 192455, 193717, 266509, 318359, 394495, 654347, 810835, 968585, 1332545, 1341283, 1591795, 2756839, 3271735, 3293189, 4812839, 6706415, 9892187, 11816737, 13784195, 16465945, 24064195, 49460935, 49785269, 59083685, 81818263, 168167179, 200884529, 248926345, 409091315, 840835895, 846349573, 1004422645, 3036901409, 4231747865, 15184507045, 51627323953, 258136619765]

約数ペア:

[(1, 258136619765), (5, 51627323953), (17, 15184507045), (61, 4231747865), (85, 3036901409), (257, 1004422645), (305, 846349573), (307, 840835895), (631, 409091315), (1037, 248926345), (1285, 200884529), (1535, 168167179), (3155, 81818263), (4369, 59083685), (5185, 49785269), (5219, 49460935), (10727, 24064195), (15677, 16465945), (18727, 13784195), (21845, 11816737), (26095, 9892187), (38491, 6706415), (53635, 4812839), (78385, 3293189), (78899, 3271735), (93635, 2756839), (162167, 1591795), (192455, 1341283), (193717, 1332545), (266509, 968585), (318359, 810835), (394495, 654347)]