28678048

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 72

約数和(自身を含む): 68699232

約数和(自身を除く): 40021184

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 443, 476, 544, 578, 886, 952, 1156, 1772, 1904, 2023, 2312, 3101, 3544, 3808, 4046, 4624, 6202, 7088, 7531, 8092, 9248, 12404, 14176, 15062, 16184, 24808, 30124, 32368, 49616, 52717, 60248, 64736, 99232, 105434, 120496, 128027, 210868, 240992, 256054, 421736, 512108, 843472, 896189, 1024216, 1686944, 1792378, 2048432, 3584756, 4096864, 7169512, 14339024, 28678048]

約数ペア:

[(1, 28678048), (2, 14339024), (4, 7169512), (7, 4096864), (8, 3584756), (14, 2048432), (16, 1792378), (17, 1686944), (28, 1024216), (32, 896189), (34, 843472), (56, 512108), (68, 421736), (112, 256054), (119, 240992), (136, 210868), (224, 128027), (238, 120496), (272, 105434), (289, 99232), (443, 64736), (476, 60248), (544, 52717), (578, 49616), (886, 32368), (952, 30124), (1156, 24808), (1772, 16184), (1904, 15062), (2023, 14176), (2312, 12404), (3101, 9248), (3544, 8092), (3808, 7531), (4046, 7088), (4624, 6202)]