639425696

素因数分解:

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

素因数の和:196

約数の個数: 216

約数和(自身を含む): 1682311680

約数和(自身を除く): 1042885984

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 76, 91, 98, 104, 112, 127, 133, 152, 169, 182, 196, 208, 224, 247, 254, 266, 304, 338, 364, 392, 416, 494, 508, 532, 608, 637, 676, 728, 784, 889, 931, 988, 1016, 1064, 1183, 1274, 1352, 1456, 1568, 1651, 1729, 1778, 1862, 1976, 2032, 2128, 2366, 2413, 2548, 2704, 2912, 3211, 3302, 3458, 3556, 3724, 3952, 4064, 4256, 4732, 4826, 5096, 5408, 6223, 6422, 6604, 6916, 7112, 7448, 7904, 8281, 9464, 9652, 10192, 11557, 12103, 12446, 12844, 13208, 13832, 14224, 14896, 16562, 16891, 18928, 19304, 20384, 21463, 22477, 23114, 24206, 24892, 25688, 26416, 27664, 28448, 29792, 31369, 33124, 33782, 37856, 38608, 42926, 44954, 46228, 48412, 49784, 51376, 52832, 55328, 62738, 66248, 67564, 77216, 80899, 85852, 89908, 92456, 96824, 99568, 102752, 118237, 125476, 132496, 135128, 150241, 157339, 161798, 171704, 179816, 184912, 193648, 199136, 219583, 236474, 250952, 264992, 270256, 300482, 314678, 323596, 343408, 359632, 369824, 387296, 407797, 439166, 472948, 501904, 540512, 600964, 629356, 647192, 686816, 719264, 815594, 878332, 945896, 1003808, 1051687, 1201928, 1258712, 1294384, 1537081, 1631188, 1756664, 1891792, 2103374, 2403856, 2517424, 2588768, 2854579, 3074162, 3262376, 3513328, 3783584, 4206748, 4807712, 5034848, 5709158, 6148324, 6524752, 7026656, 8413496, 11418316, 12296648, 13049504, 16826992, 19982053, 22836632, 24593296, 33653984, 39964106, 45673264, 49186592, 79928212, 91346528, 159856424, 319712848, 639425696]

約数ペア:

[(1, 639425696), (2, 319712848), (4, 159856424), (7, 91346528), (8, 79928212), (13, 49186592), (14, 45673264), (16, 39964106), (19, 33653984), (26, 24593296), (28, 22836632), (32, 19982053), (38, 16826992), (49, 13049504), (52, 12296648), (56, 11418316), (76, 8413496), (91, 7026656), (98, 6524752), (104, 6148324), (112, 5709158), (127, 5034848), (133, 4807712), (152, 4206748), (169, 3783584), (182, 3513328), (196, 3262376), (208, 3074162), (224, 2854579), (247, 2588768), (254, 2517424), (266, 2403856), (304, 2103374), (338, 1891792), (364, 1756664), (392, 1631188), (416, 1537081), (494, 1294384), (508, 1258712), (532, 1201928), (608, 1051687), (637, 1003808), (676, 945896), (728, 878332), (784, 815594), (889, 719264), (931, 686816), (988, 647192), (1016, 629356), (1064, 600964), (1183, 540512), (1274, 501904), (1352, 472948), (1456, 439166), (1568, 407797), (1651, 387296), (1729, 369824), (1778, 359632), (1862, 343408), (1976, 323596), (2032, 314678), (2128, 300482), (2366, 270256), (2413, 264992), (2548, 250952), (2704, 236474), (2912, 219583), (3211, 199136), (3302, 193648), (3458, 184912), (3556, 179816), (3724, 171704), (3952, 161798), (4064, 157339), (4256, 150241), (4732, 135128), (4826, 132496), (5096, 125476), (5408, 118237), (6223, 102752), (6422, 99568), (6604, 96824), (6916, 92456), (7112, 89908), (7448, 85852), (7904, 80899), (8281, 77216), (9464, 67564), (9652, 66248), (10192, 62738), (11557, 55328), (12103, 52832), (12446, 51376), (12844, 49784), (13208, 48412), (13832, 46228), (14224, 44954), (14896, 42926), (16562, 38608), (16891, 37856), (18928, 33782), (19304, 33124), (20384, 31369), (21463, 29792), (22477, 28448), (23114, 27664), (24206, 26416), (24892, 25688)]