256383232

素因数分解:

$2^8\times 7^1\times {\mathrm{173}}^1\times {\mathrm{827}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 588966336

約数和(自身を除く): 332583104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 173, 224, 256, 346, 448, 692, 827, 896, 1211, 1384, 1654, 1792, 2422, 2768, 3308, 4844, 5536, 5789, 6616, 9688, 11072, 11578, 13232, 19376, 22144, 23156, 26464, 38752, 44288, 46312, 52928, 77504, 92624, 105856, 143071, 155008, 185248, 211712, 286142, 310016, 370496, 572284, 740992, 1001497, 1144568, 1481984, 2002994, 2289136, 4005988, 4578272, 8011976, 9156544, 16023952, 18313088, 32047904, 36626176, 64095808, 128191616, 256383232]

約数ペア:

[(1, 256383232), (2, 128191616), (4, 64095808), (7, 36626176), (8, 32047904), (14, 18313088), (16, 16023952), (28, 9156544), (32, 8011976), (56, 4578272), (64, 4005988), (112, 2289136), (128, 2002994), (173, 1481984), (224, 1144568), (256, 1001497), (346, 740992), (448, 572284), (692, 370496), (827, 310016), (896, 286142), (1211, 211712), (1384, 185248), (1654, 155008), (1792, 143071), (2422, 105856), (2768, 92624), (3308, 77504), (4844, 52928), (5536, 46312), (5789, 44288), (6616, 38752), (9688, 26464), (11072, 23156), (11578, 22144), (13232, 19376)]