1278177173

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 1698859008

約数和(自身を除く): 420681835

約数列:

[1, 7, 13, 37, 41, 47, 91, 197, 259, 287, 329, 481, 533, 611, 1379, 1517, 1739, 1927, 2561, 3367, 3731, 4277, 7289, 8077, 9259, 10619, 12173, 13489, 17927, 19721, 22607, 25051, 51023, 56539, 64813, 71299, 94757, 105001, 120367, 138047, 158249, 175357, 298849, 342583, 379619, 499093, 663299, 735007, 842569, 926887, 2091943, 2398081, 2657333, 3885037, 4453579, 4935047, 6488209, 14045903, 27195259, 31175053, 34545329, 98321321, 182596739, 1278177173]

約数ペア:

[(1, 1278177173), (7, 182596739), (13, 98321321), (37, 34545329), (41, 31175053), (47, 27195259), (91, 14045903), (197, 6488209), (259, 4935047), (287, 4453579), (329, 3885037), (481, 2657333), (533, 2398081), (611, 2091943), (1379, 926887), (1517, 842569), (1739, 735007), (1927, 663299), (2561, 499093), (3367, 379619), (3731, 342583), (4277, 298849), (7289, 175357), (8077, 158249), (9259, 138047), (10619, 120367), (12173, 105001), (13489, 94757), (17927, 71299), (19721, 64813), (22607, 56539), (25051, 51023)]