256117792

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 604195200

約数和(自身を除く): 348077408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 89, 112, 116, 178, 203, 224, 232, 356, 406, 443, 464, 623, 712, 812, 886, 928, 1246, 1424, 1624, 1772, 2492, 2581, 2848, 3101, 3248, 3544, 4984, 5162, 6202, 6496, 7088, 9968, 10324, 12404, 12847, 14176, 18067, 19936, 20648, 24808, 25694, 36134, 39427, 41296, 49616, 51388, 72268, 78854, 82592, 89929, 99232, 102776, 144536, 157708, 179858, 205552, 275989, 289072, 315416, 359716, 411104, 551978, 578144, 630832, 719432, 1103956, 1143383, 1261664, 1438864, 2207912, 2286766, 2877728, 4415824, 4573532, 8003681, 8831648, 9147064, 16007362, 18294128, 32014724, 36588256, 64029448, 128058896, 256117792]

約数ペア:

[(1, 256117792), (2, 128058896), (4, 64029448), (7, 36588256), (8, 32014724), (14, 18294128), (16, 16007362), (28, 9147064), (29, 8831648), (32, 8003681), (56, 4573532), (58, 4415824), (89, 2877728), (112, 2286766), (116, 2207912), (178, 1438864), (203, 1261664), (224, 1143383), (232, 1103956), (356, 719432), (406, 630832), (443, 578144), (464, 551978), (623, 411104), (712, 359716), (812, 315416), (886, 289072), (928, 275989), (1246, 205552), (1424, 179858), (1624, 157708), (1772, 144536), (2492, 102776), (2581, 99232), (2848, 89929), (3101, 82592), (3248, 78854), (3544, 72268), (4984, 51388), (5162, 49616), (6202, 41296), (6496, 39427), (7088, 36134), (9968, 25694), (10324, 24808), (12404, 20648), (12847, 19936), (14176, 18067)]