259986272

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 192

約数和(自身を含む): 686407680

約数和(自身を除く): 426421408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 37, 38, 52, 56, 74, 76, 91, 104, 112, 127, 133, 148, 152, 182, 208, 224, 247, 254, 259, 266, 296, 304, 364, 416, 481, 494, 508, 518, 532, 592, 608, 703, 728, 889, 962, 988, 1016, 1036, 1064, 1184, 1406, 1456, 1651, 1729, 1778, 1924, 1976, 2032, 2072, 2128, 2413, 2812, 2912, 3302, 3367, 3458, 3556, 3848, 3952, 4064, 4144, 4256, 4699, 4826, 4921, 5624, 6604, 6734, 6916, 7112, 7696, 7904, 8288, 9139, 9398, 9652, 9842, 11248, 11557, 13208, 13468, 13832, 14224, 15392, 16891, 18278, 18796, 19304, 19684, 22496, 23114, 26416, 26936, 27664, 28448, 31369, 32893, 33782, 36556, 37592, 38608, 39368, 46228, 52832, 53872, 55328, 61087, 62738, 63973, 65786, 67564, 73112, 75184, 77216, 78736, 89281, 92456, 107744, 122174, 125476, 127946, 131572, 135128, 146224, 150368, 157472, 178562, 184912, 219583, 244348, 250952, 255892, 263144, 270256, 292448, 357124, 369824, 427609, 439166, 488696, 501904, 511784, 526288, 540512, 624967, 714248, 855218, 878332, 977392, 1003808, 1023568, 1052576, 1160653, 1249934, 1428496, 1710436, 1756664, 1954784, 2047136, 2321306, 2499868, 2856992, 3420872, 3513328, 4642612, 4999736, 6841744, 7026656, 8124571, 9285224, 9999472, 13683488, 16249142, 18570448, 19998944, 32498284, 37140896, 64996568, 129993136, 259986272]

約数ペア:

[(1, 259986272), (2, 129993136), (4, 64996568), (7, 37140896), (8, 32498284), (13, 19998944), (14, 18570448), (16, 16249142), (19, 13683488), (26, 9999472), (28, 9285224), (32, 8124571), (37, 7026656), (38, 6841744), (52, 4999736), (56, 4642612), (74, 3513328), (76, 3420872), (91, 2856992), (104, 2499868), (112, 2321306), (127, 2047136), (133, 1954784), (148, 1756664), (152, 1710436), (182, 1428496), (208, 1249934), (224, 1160653), (247, 1052576), (254, 1023568), (259, 1003808), (266, 977392), (296, 878332), (304, 855218), (364, 714248), (416, 624967), (481, 540512), (494, 526288), (508, 511784), (518, 501904), (532, 488696), (592, 439166), (608, 427609), (703, 369824), (728, 357124), (889, 292448), (962, 270256), (988, 263144), (1016, 255892), (1036, 250952), (1064, 244348), (1184, 219583), (1406, 184912), (1456, 178562), (1651, 157472), (1729, 150368), (1778, 146224), (1924, 135128), (1976, 131572), (2032, 127946), (2072, 125476), (2128, 122174), (2413, 107744), (2812, 92456), (2912, 89281), (3302, 78736), (3367, 77216), (3458, 75184), (3556, 73112), (3848, 67564), (3952, 65786), (4064, 63973), (4144, 62738), (4256, 61087), (4699, 55328), (4826, 53872), (4921, 52832), (5624, 46228), (6604, 39368), (6734, 38608), (6916, 37592), (7112, 36556), (7696, 33782), (7904, 32893), (8288, 31369), (9139, 28448), (9398, 27664), (9652, 26936), (9842, 26416), (11248, 23114), (11557, 22496), (13208, 19684), (13468, 19304), (13832, 18796), (14224, 18278), (15392, 16891)]