257313888

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:802

約数の個数: 192

約数和(自身を含む): 835430400

約数和(自身を除く): 578116512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 32, 36, 39, 48, 52, 54, 62, 72, 78, 93, 96, 104, 108, 117, 124, 144, 156, 186, 208, 216, 234, 248, 279, 288, 312, 351, 372, 403, 416, 432, 468, 496, 558, 624, 702, 739, 744, 806, 837, 864, 936, 992, 1116, 1209, 1248, 1404, 1478, 1488, 1612, 1674, 1872, 2217, 2232, 2418, 2808, 2956, 2976, 3224, 3348, 3627, 3744, 4434, 4464, 4836, 5616, 5912, 6448, 6651, 6696, 7254, 8868, 8928, 9607, 9672, 10881, 11232, 11824, 12896, 13302, 13392, 14508, 17736, 19214, 19344, 19953, 21762, 22909, 23648, 26604, 26784, 28821, 29016, 35472, 38428, 38688, 39906, 43524, 45818, 53208, 57642, 58032, 68727, 70944, 76856, 79812, 86463, 87048, 91636, 106416, 115284, 116064, 137454, 153712, 159624, 172926, 174096, 183272, 206181, 212832, 230568, 259389, 274908, 297817, 307424, 319248, 345852, 348192, 366544, 412362, 461136, 518778, 549816, 595634, 618543, 638496, 691704, 733088, 824724, 893451, 922272, 1037556, 1099632, 1191268, 1237086, 1383408, 1649448, 1786902, 2075112, 2199264, 2382536, 2474172, 2680353, 2766816, 3298896, 3573804, 4150224, 4765072, 4948344, 5360706, 6597792, 7147608, 8041059, 8300448, 9530144, 9896688, 10721412, 14295216, 16082118, 19793376, 21442824, 28590432, 32164236, 42885648, 64328472, 85771296, 128656944, 257313888]

約数ペア:

[(1, 257313888), (2, 128656944), (3, 85771296), (4, 64328472), (6, 42885648), (8, 32164236), (9, 28590432), (12, 21442824), (13, 19793376), (16, 16082118), (18, 14295216), (24, 10721412), (26, 9896688), (27, 9530144), (31, 8300448), (32, 8041059), (36, 7147608), (39, 6597792), (48, 5360706), (52, 4948344), (54, 4765072), (62, 4150224), (72, 3573804), (78, 3298896), (93, 2766816), (96, 2680353), (104, 2474172), (108, 2382536), (117, 2199264), (124, 2075112), (144, 1786902), (156, 1649448), (186, 1383408), (208, 1237086), (216, 1191268), (234, 1099632), (248, 1037556), (279, 922272), (288, 893451), (312, 824724), (351, 733088), (372, 691704), (403, 638496), (416, 618543), (432, 595634), (468, 549816), (496, 518778), (558, 461136), (624, 412362), (702, 366544), (739, 348192), (744, 345852), (806, 319248), (837, 307424), (864, 297817), (936, 274908), (992, 259389), (1116, 230568), (1209, 212832), (1248, 206181), (1404, 183272), (1478, 174096), (1488, 172926), (1612, 159624), (1674, 153712), (1872, 137454), (2217, 116064), (2232, 115284), (2418, 106416), (2808, 91636), (2956, 87048), (2976, 86463), (3224, 79812), (3348, 76856), (3627, 70944), (3744, 68727), (4434, 58032), (4464, 57642), (4836, 53208), (5616, 45818), (5912, 43524), (6448, 39906), (6651, 38688), (6696, 38428), (7254, 35472), (8868, 29016), (8928, 28821), (9607, 26784), (9672, 26604), (10881, 23648), (11232, 22909), (11824, 21762), (12896, 19953), (13302, 19344), (13392, 19214), (14508, 17736)]