647631936

素因数分解:

$2^6\times 3^7\times 7^1\times {\mathrm{661}}^1$

素因数の和:701

約数の個数: 224

約数和(自身を含む): 2206101760

約数和(自身を除く): 1558469824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 216, 224, 243, 252, 288, 324, 336, 378, 432, 448, 486, 504, 567, 576, 648, 661, 672, 729, 756, 864, 972, 1008, 1134, 1296, 1322, 1344, 1458, 1512, 1701, 1728, 1944, 1983, 2016, 2187, 2268, 2592, 2644, 2916, 3024, 3402, 3888, 3966, 4032, 4374, 4536, 4627, 5103, 5184, 5288, 5832, 5949, 6048, 6804, 7776, 7932, 8748, 9072, 9254, 10206, 10576, 11664, 11898, 12096, 13608, 13881, 15309, 15552, 15864, 17496, 17847, 18144, 18508, 20412, 21152, 23328, 23796, 27216, 27762, 30618, 31728, 34992, 35694, 36288, 37016, 40824, 41643, 42304, 46656, 47592, 53541, 54432, 55524, 61236, 63456, 69984, 71388, 74032, 81648, 83286, 95184, 107082, 108864, 111048, 122472, 124929, 126912, 139968, 142776, 148064, 160623, 163296, 166572, 190368, 214164, 222096, 244944, 249858, 285552, 296128, 321246, 326592, 333144, 374787, 380736, 428328, 444192, 481869, 489888, 499716, 571104, 642492, 666288, 749574, 856656, 888384, 963738, 979776, 999432, 1124361, 1142208, 1284984, 1332576, 1445607, 1499148, 1713312, 1927476, 1998864, 2248722, 2569968, 2665152, 2891214, 2998296, 3373083, 3426624, 3854952, 3997728, 4497444, 5139936, 5782428, 5996592, 6746166, 7709904, 7995456, 8994888, 10119249, 10279872, 11564856, 11993184, 13492332, 15419808, 17989776, 20238498, 23129712, 23986368, 26984664, 30839616, 35979552, 40476996, 46259424, 53969328, 71959104, 80953992, 92518848, 107938656, 161907984, 215877312, 323815968, 647631936]

約数ペア:

[(1, 647631936), (2, 323815968), (3, 215877312), (4, 161907984), (6, 107938656), (7, 92518848), (8, 80953992), (9, 71959104), (12, 53969328), (14, 46259424), (16, 40476996), (18, 35979552), (21, 30839616), (24, 26984664), (27, 23986368), (28, 23129712), (32, 20238498), (36, 17989776), (42, 15419808), (48, 13492332), (54, 11993184), (56, 11564856), (63, 10279872), (64, 10119249), (72, 8994888), (81, 7995456), (84, 7709904), (96, 6746166), (108, 5996592), (112, 5782428), (126, 5139936), (144, 4497444), (162, 3997728), (168, 3854952), (189, 3426624), (192, 3373083), (216, 2998296), (224, 2891214), (243, 2665152), (252, 2569968), (288, 2248722), (324, 1998864), (336, 1927476), (378, 1713312), (432, 1499148), (448, 1445607), (486, 1332576), (504, 1284984), (567, 1142208), (576, 1124361), (648, 999432), (661, 979776), (672, 963738), (729, 888384), (756, 856656), (864, 749574), (972, 666288), (1008, 642492), (1134, 571104), (1296, 499716), (1322, 489888), (1344, 481869), (1458, 444192), (1512, 428328), (1701, 380736), (1728, 374787), (1944, 333144), (1983, 326592), (2016, 321246), (2187, 296128), (2268, 285552), (2592, 249858), (2644, 244944), (2916, 222096), (3024, 214164), (3402, 190368), (3888, 166572), (3966, 163296), (4032, 160623), (4374, 148064), (4536, 142776), (4627, 139968), (5103, 126912), (5184, 124929), (5288, 122472), (5832, 111048), (5949, 108864), (6048, 107082), (6804, 95184), (7776, 83286), (7932, 81648), (8748, 74032), (9072, 71388), (9254, 69984), (10206, 63456), (10576, 61236), (11664, 55524), (11898, 54432), (12096, 53541), (13608, 47592), (13881, 46656), (15309, 42304), (15552, 41643), (15864, 40824), (17496, 37016), (17847, 36288), (18144, 35694), (18508, 34992), (20412, 31728), (21152, 30618), (23328, 27762), (23796, 27216)]