257147568

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:296

約数の個数: 160

約数和(自身を含む): 768204800

約数和(自身を除く): 511057232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 86, 108, 109, 127, 129, 144, 172, 216, 218, 254, 258, 327, 344, 381, 387, 432, 436, 508, 516, 654, 688, 762, 774, 872, 981, 1016, 1032, 1143, 1161, 1308, 1524, 1548, 1744, 1962, 2032, 2064, 2286, 2322, 2616, 2943, 3048, 3096, 3429, 3924, 4572, 4644, 4687, 5232, 5461, 5886, 6096, 6192, 6858, 7848, 9144, 9288, 9374, 10922, 11772, 13716, 13843, 14061, 15696, 16383, 18288, 18576, 18748, 21844, 23544, 27432, 27686, 28122, 32766, 37496, 41529, 42183, 43688, 47088, 49149, 54864, 55372, 56244, 65532, 74992, 83058, 84366, 87376, 98298, 110744, 112488, 124587, 126549, 131064, 147447, 166116, 168732, 196596, 221488, 224976, 249174, 253098, 262128, 294894, 332232, 337464, 373761, 393192, 498348, 506196, 589788, 595249, 664464, 674928, 747522, 786384, 996696, 1012392, 1179576, 1190498, 1495044, 1785747, 1993392, 2024784, 2359152, 2380996, 2990088, 3571494, 4761992, 5357241, 5980176, 7142988, 9523984, 10714482, 14285976, 16071723, 21428964, 28571952, 32143446, 42857928, 64286892, 85715856, 128573784, 257147568]

約数ペア:

[(1, 257147568), (2, 128573784), (3, 85715856), (4, 64286892), (6, 42857928), (8, 32143446), (9, 28571952), (12, 21428964), (16, 16071723), (18, 14285976), (24, 10714482), (27, 9523984), (36, 7142988), (43, 5980176), (48, 5357241), (54, 4761992), (72, 3571494), (86, 2990088), (108, 2380996), (109, 2359152), (127, 2024784), (129, 1993392), (144, 1785747), (172, 1495044), (216, 1190498), (218, 1179576), (254, 1012392), (258, 996696), (327, 786384), (344, 747522), (381, 674928), (387, 664464), (432, 595249), (436, 589788), (508, 506196), (516, 498348), (654, 393192), (688, 373761), (762, 337464), (774, 332232), (872, 294894), (981, 262128), (1016, 253098), (1032, 249174), (1143, 224976), (1161, 221488), (1308, 196596), (1524, 168732), (1548, 166116), (1744, 147447), (1962, 131064), (2032, 126549), (2064, 124587), (2286, 112488), (2322, 110744), (2616, 98298), (2943, 87376), (3048, 84366), (3096, 83058), (3429, 74992), (3924, 65532), (4572, 56244), (4644, 55372), (4687, 54864), (5232, 49149), (5461, 47088), (5886, 43688), (6096, 42183), (6192, 41529), (6858, 37496), (7848, 32766), (9144, 28122), (9288, 27686), (9374, 27432), (10922, 23544), (11772, 21844), (13716, 18748), (13843, 18576), (14061, 18288), (15696, 16383)]