259019488

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 144

約数和(自身を含む): 650344464

約数和(自身を除く): 391324976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 97, 98, 104, 112, 131, 182, 194, 196, 208, 224, 262, 364, 388, 392, 416, 524, 637, 679, 728, 776, 784, 917, 1048, 1261, 1274, 1358, 1456, 1552, 1568, 1703, 1834, 2096, 2522, 2548, 2716, 2912, 3104, 3406, 3668, 4192, 4753, 5044, 5096, 5432, 6419, 6812, 7336, 8827, 9506, 10088, 10192, 10864, 11921, 12707, 12838, 13624, 14672, 17654, 19012, 20176, 20384, 21728, 23842, 25414, 25676, 27248, 29344, 35308, 38024, 40352, 47684, 50828, 51352, 54496, 61789, 70616, 76048, 83447, 88949, 95368, 101656, 102704, 123578, 141232, 152096, 165191, 166894, 177898, 190736, 203312, 205408, 247156, 282464, 330382, 333788, 355796, 381472, 406624, 494312, 622643, 660764, 667576, 711592, 988624, 1156337, 1245286, 1321528, 1335152, 1423184, 1977248, 2312674, 2490572, 2643056, 2670304, 2846368, 4625348, 4981144, 5286112, 8094359, 9250696, 9962288, 16188718, 18501392, 19924576, 32377436, 37002784, 64754872, 129509744, 259019488]

約数ペア:

[(1, 259019488), (2, 129509744), (4, 64754872), (7, 37002784), (8, 32377436), (13, 19924576), (14, 18501392), (16, 16188718), (26, 9962288), (28, 9250696), (32, 8094359), (49, 5286112), (52, 4981144), (56, 4625348), (91, 2846368), (97, 2670304), (98, 2643056), (104, 2490572), (112, 2312674), (131, 1977248), (182, 1423184), (194, 1335152), (196, 1321528), (208, 1245286), (224, 1156337), (262, 988624), (364, 711592), (388, 667576), (392, 660764), (416, 622643), (524, 494312), (637, 406624), (679, 381472), (728, 355796), (776, 333788), (784, 330382), (917, 282464), (1048, 247156), (1261, 205408), (1274, 203312), (1358, 190736), (1456, 177898), (1552, 166894), (1568, 165191), (1703, 152096), (1834, 141232), (2096, 123578), (2522, 102704), (2548, 101656), (2716, 95368), (2912, 88949), (3104, 83447), (3406, 76048), (3668, 70616), (4192, 61789), (4753, 54496), (5044, 51352), (5096, 50828), (5432, 47684), (6419, 40352), (6812, 38024), (7336, 35308), (8827, 29344), (9506, 27248), (10088, 25676), (10192, 25414), (10864, 23842), (11921, 21728), (12707, 20384), (12838, 20176), (13624, 19012), (14672, 17654)]