257377536

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^2\times {\mathrm{661}}^1$

素因数の和:709

約数の個数: 162

約数和(自身を含む): 804772878

約数和(自身を除く): 547395342

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 169, 192, 208, 234, 256, 288, 312, 338, 384, 416, 468, 507, 576, 624, 661, 676, 768, 832, 936, 1014, 1152, 1248, 1322, 1352, 1521, 1664, 1872, 1983, 2028, 2304, 2496, 2644, 2704, 3042, 3328, 3744, 3966, 4056, 4992, 5288, 5408, 5949, 6084, 7488, 7932, 8112, 8593, 9984, 10576, 10816, 11898, 12168, 14976, 15864, 16224, 17186, 21152, 21632, 23796, 24336, 25779, 29952, 31728, 32448, 34372, 42304, 43264, 47592, 48672, 51558, 63456, 64896, 68744, 77337, 84608, 95184, 97344, 103116, 111709, 126912, 129792, 137488, 154674, 169216, 190368, 194688, 206232, 223418, 253824, 274976, 309348, 335127, 380736, 389376, 412464, 446836, 507648, 549952, 618696, 670254, 761472, 824928, 893672, 1005381, 1099904, 1237392, 1340508, 1522944, 1649856, 1787344, 2010762, 2199808, 2474784, 2681016, 3299712, 3574688, 4021524, 4949568, 5362032, 6599424, 7149376, 8043048, 9899136, 10724064, 14298752, 16086096, 19798272, 21448128, 28597504, 32172192, 42896256, 64344384, 85792512, 128688768, 257377536]

約数ペア:

[(1, 257377536), (2, 128688768), (3, 85792512), (4, 64344384), (6, 42896256), (8, 32172192), (9, 28597504), (12, 21448128), (13, 19798272), (16, 16086096), (18, 14298752), (24, 10724064), (26, 9899136), (32, 8043048), (36, 7149376), (39, 6599424), (48, 5362032), (52, 4949568), (64, 4021524), (72, 3574688), (78, 3299712), (96, 2681016), (104, 2474784), (117, 2199808), (128, 2010762), (144, 1787344), (156, 1649856), (169, 1522944), (192, 1340508), (208, 1237392), (234, 1099904), (256, 1005381), (288, 893672), (312, 824928), (338, 761472), (384, 670254), (416, 618696), (468, 549952), (507, 507648), (576, 446836), (624, 412464), (661, 389376), (676, 380736), (768, 335127), (832, 309348), (936, 274976), (1014, 253824), (1152, 223418), (1248, 206232), (1322, 194688), (1352, 190368), (1521, 169216), (1664, 154674), (1872, 137488), (1983, 129792), (2028, 126912), (2304, 111709), (2496, 103116), (2644, 97344), (2704, 95184), (3042, 84608), (3328, 77337), (3744, 68744), (3966, 64896), (4056, 63456), (4992, 51558), (5288, 48672), (5408, 47592), (5949, 43264), (6084, 42304), (7488, 34372), (7932, 32448), (8112, 31728), (8593, 29952), (9984, 25779), (10576, 24336), (10816, 23796), (11898, 21632), (12168, 21152), (14976, 17186), (15864, 16224)]