639162153728

素因数分解:

$2^8\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1\times {\mathrm{2647}}^1$

素因数の和:3858

約数の個数: 144

約数和(自身を含む): 1471510462464

約数和(自身を除く): 832348308736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 256, 448, 508, 889, 896, 1016, 1061, 1778, 1792, 2032, 2122, 2647, 3556, 4064, 4244, 5294, 7112, 7427, 8128, 8488, 10588, 14224, 14854, 16256, 16976, 18529, 21176, 28448, 29708, 32512, 33952, 37058, 42352, 56896, 59416, 67904, 74116, 84704, 113792, 118832, 134747, 135808, 148232, 169408, 227584, 237664, 269494, 271616, 296464, 336169, 338816, 475328, 538988, 592928, 672338, 677632, 943229, 950656, 1077976, 1185856, 1344676, 1886458, 1901312, 2155952, 2353183, 2371712, 2689352, 2808467, 3772916, 4311904, 4706366, 4743424, 5378704, 5616934, 7545832, 8623808, 9412732, 10757408, 11233868, 15091664, 17247616, 18825464, 19659269, 21514816, 22467736, 30183328, 34495232, 37650928, 39318538, 43029632, 44935472, 60366656, 75301856, 78637076, 86059264, 89870944, 120733312, 150603712, 157274152, 179741888, 241466624, 301207424, 314548304, 356675309, 359483776, 602414848, 629096608, 713350618, 718967552, 1258193216, 1426701236, 2496727163, 2516386432, 2853402472, 4993454326, 5032772864, 5706804944, 9986908652, 11413609888, 19973817304, 22827219776, 39947634608, 45654439552, 79895269216, 91308879104, 159790538432, 319581076864, 639162153728]

約数ペア:

[(1, 639162153728), (2, 319581076864), (4, 159790538432), (7, 91308879104), (8, 79895269216), (14, 45654439552), (16, 39947634608), (28, 22827219776), (32, 19973817304), (56, 11413609888), (64, 9986908652), (112, 5706804944), (127, 5032772864), (128, 4993454326), (224, 2853402472), (254, 2516386432), (256, 2496727163), (448, 1426701236), (508, 1258193216), (889, 718967552), (896, 713350618), (1016, 629096608), (1061, 602414848), (1778, 359483776), (1792, 356675309), (2032, 314548304), (2122, 301207424), (2647, 241466624), (3556, 179741888), (4064, 157274152), (4244, 150603712), (5294, 120733312), (7112, 89870944), (7427, 86059264), (8128, 78637076), (8488, 75301856), (10588, 60366656), (14224, 44935472), (14854, 43029632), (16256, 39318538), (16976, 37650928), (18529, 34495232), (21176, 30183328), (28448, 22467736), (29708, 21514816), (32512, 19659269), (33952, 18825464), (37058, 17247616), (42352, 15091664), (56896, 11233868), (59416, 10757408), (67904, 9412732), (74116, 8623808), (84704, 7545832), (113792, 5616934), (118832, 5378704), (134747, 4743424), (135808, 4706366), (148232, 4311904), (169408, 3772916), (227584, 2808467), (237664, 2689352), (269494, 2371712), (271616, 2353183), (296464, 2155952), (336169, 1901312), (338816, 1886458), (475328, 1344676), (538988, 1185856), (592928, 1077976), (672338, 950656), (677632, 943229)]