728295568

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1305

約数の個数: 160

約数和(自身を含む): 1947375360

約数和(自身を除く): 1219079792

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 37, 44, 52, 56, 74, 77, 88, 91, 104, 112, 143, 148, 154, 176, 182, 208, 259, 286, 296, 308, 364, 407, 481, 518, 572, 592, 616, 728, 814, 962, 1001, 1036, 1144, 1229, 1232, 1456, 1628, 1924, 2002, 2072, 2288, 2458, 2849, 3256, 3367, 3848, 4004, 4144, 4916, 5291, 5698, 6512, 6734, 7696, 8008, 8603, 9832, 10582, 11396, 13468, 13519, 15977, 16016, 17206, 19664, 21164, 22792, 26936, 27038, 31954, 34412, 37037, 42328, 45473, 45584, 53872, 54076, 63908, 68824, 74074, 84656, 90946, 94633, 108152, 111839, 127816, 137648, 148148, 175747, 181892, 189266, 216304, 223678, 255632, 296296, 318311, 351494, 363784, 378532, 447356, 500203, 591149, 592592, 636622, 702988, 727568, 757064, 894712, 1000406, 1182298, 1230229, 1273244, 1405976, 1514128, 1789424, 2000812, 2364596, 2460458, 2546488, 2811952, 3501421, 4001624, 4138043, 4729192, 4920916, 5092976, 6502639, 7002842, 8003248, 8276086, 9458384, 9841832, 13005278, 14005684, 16552172, 19683664, 26010556, 28011368, 33104344, 45518473, 52021112, 56022736, 66208688, 91036946, 104042224, 182073892, 364147784, 728295568]

約数ペア:

[(1, 728295568), (2, 364147784), (4, 182073892), (7, 104042224), (8, 91036946), (11, 66208688), (13, 56022736), (14, 52021112), (16, 45518473), (22, 33104344), (26, 28011368), (28, 26010556), (37, 19683664), (44, 16552172), (52, 14005684), (56, 13005278), (74, 9841832), (77, 9458384), (88, 8276086), (91, 8003248), (104, 7002842), (112, 6502639), (143, 5092976), (148, 4920916), (154, 4729192), (176, 4138043), (182, 4001624), (208, 3501421), (259, 2811952), (286, 2546488), (296, 2460458), (308, 2364596), (364, 2000812), (407, 1789424), (481, 1514128), (518, 1405976), (572, 1273244), (592, 1230229), (616, 1182298), (728, 1000406), (814, 894712), (962, 757064), (1001, 727568), (1036, 702988), (1144, 636622), (1229, 592592), (1232, 591149), (1456, 500203), (1628, 447356), (1924, 378532), (2002, 363784), (2072, 351494), (2288, 318311), (2458, 296296), (2849, 255632), (3256, 223678), (3367, 216304), (3848, 189266), (4004, 181892), (4144, 175747), (4916, 148148), (5291, 137648), (5698, 127816), (6512, 111839), (6734, 108152), (7696, 94633), (8008, 90946), (8603, 84656), (9832, 74074), (10582, 68824), (11396, 63908), (13468, 54076), (13519, 53872), (15977, 45584), (16016, 45473), (17206, 42328), (19664, 37037), (21164, 34412), (22792, 31954), (26936, 27038)]