538505464

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 1283973120

約数和(自身を除く): 745467656

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 71, 119, 124, 136, 142, 217, 238, 248, 257, 284, 434, 476, 497, 514, 527, 568, 868, 952, 994, 1028, 1054, 1207, 1736, 1799, 1988, 2056, 2108, 2201, 2414, 3598, 3689, 3976, 4216, 4369, 4402, 4828, 7196, 7378, 7967, 8449, 8738, 8804, 9656, 14392, 14756, 15407, 15934, 16898, 17476, 17608, 18247, 29512, 30583, 30814, 31868, 33796, 34952, 36494, 37417, 55769, 61166, 61628, 63736, 67592, 72988, 74834, 111538, 122332, 123256, 127729, 135439, 145976, 149668, 223076, 244664, 255458, 261919, 270878, 299336, 310199, 446152, 510916, 523838, 541756, 565657, 620398, 948073, 1021832, 1047676, 1083512, 1131314, 1240796, 1896146, 2095352, 2171393, 2262628, 2481592, 3792292, 3959599, 4342786, 4525256, 7584584, 7919198, 8685572, 9616169, 15838396, 17371144, 19232338, 31676792, 38464676, 67313183, 76929352, 134626366, 269252732, 538505464]

約数ペア:

[(1, 538505464), (2, 269252732), (4, 134626366), (7, 76929352), (8, 67313183), (14, 38464676), (17, 31676792), (28, 19232338), (31, 17371144), (34, 15838396), (56, 9616169), (62, 8685572), (68, 7919198), (71, 7584584), (119, 4525256), (124, 4342786), (136, 3959599), (142, 3792292), (217, 2481592), (238, 2262628), (248, 2171393), (257, 2095352), (284, 1896146), (434, 1240796), (476, 1131314), (497, 1083512), (514, 1047676), (527, 1021832), (568, 948073), (868, 620398), (952, 565657), (994, 541756), (1028, 523838), (1054, 510916), (1207, 446152), (1736, 310199), (1799, 299336), (1988, 270878), (2056, 261919), (2108, 255458), (2201, 244664), (2414, 223076), (3598, 149668), (3689, 145976), (3976, 135439), (4216, 127729), (4369, 123256), (4402, 122332), (4828, 111538), (7196, 74834), (7378, 72988), (7967, 67592), (8449, 63736), (8738, 61628), (8804, 61166), (9656, 55769), (14392, 37417), (14756, 36494), (15407, 34952), (15934, 33796), (16898, 31868), (17476, 30814), (17608, 30583), (18247, 29512)]