505987456

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:652

約数の個数: 128

約数和(自身を含む): 1188552960

約数和(自身を除く): 682565504

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 32, 34, 52, 62, 64, 68, 104, 124, 128, 136, 208, 221, 248, 272, 403, 416, 442, 496, 527, 544, 577, 806, 832, 884, 992, 1054, 1088, 1154, 1612, 1664, 1768, 1984, 2108, 2176, 2308, 3224, 3536, 3968, 4216, 4616, 6448, 6851, 7072, 7501, 8432, 9232, 9809, 12896, 13702, 14144, 15002, 16864, 17887, 18464, 19618, 25792, 27404, 28288, 30004, 33728, 35774, 36928, 39236, 51584, 54808, 60008, 67456, 71548, 73856, 78472, 109616, 120016, 127517, 143096, 156944, 219232, 232531, 240032, 255034, 286192, 304079, 313888, 438464, 465062, 480064, 510068, 572384, 608158, 627776, 876928, 930124, 960128, 1020136, 1144768, 1216316, 1255552, 1860248, 2040272, 2289536, 2432632, 3720496, 3953027, 4080544, 4865264, 7440992, 7906054, 8161088, 9730528, 14881984, 15812108, 16322176, 19461056, 29763968, 31624216, 38922112, 63248432, 126496864, 252993728, 505987456]

約数ペア:

[(1, 505987456), (2, 252993728), (4, 126496864), (8, 63248432), (13, 38922112), (16, 31624216), (17, 29763968), (26, 19461056), (31, 16322176), (32, 15812108), (34, 14881984), (52, 9730528), (62, 8161088), (64, 7906054), (68, 7440992), (104, 4865264), (124, 4080544), (128, 3953027), (136, 3720496), (208, 2432632), (221, 2289536), (248, 2040272), (272, 1860248), (403, 1255552), (416, 1216316), (442, 1144768), (496, 1020136), (527, 960128), (544, 930124), (577, 876928), (806, 627776), (832, 608158), (884, 572384), (992, 510068), (1054, 480064), (1088, 465062), (1154, 438464), (1612, 313888), (1664, 304079), (1768, 286192), (1984, 255034), (2108, 240032), (2176, 232531), (2308, 219232), (3224, 156944), (3536, 143096), (3968, 127517), (4216, 120016), (4616, 109616), (6448, 78472), (6851, 73856), (7072, 71548), (7501, 67456), (8432, 60008), (9232, 54808), (9809, 51584), (12896, 39236), (13702, 36928), (14144, 35774), (15002, 33728), (16864, 30004), (17887, 28288), (18464, 27404), (19618, 25792)]