28279552

素因数分解:

$2^8\times 7^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 66192896

約数和(自身を除く): 37913344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 128, 172, 224, 256, 301, 344, 367, 448, 602, 688, 734, 896, 1204, 1376, 1468, 1792, 2408, 2569, 2752, 2936, 4816, 5138, 5504, 5872, 9632, 10276, 11008, 11744, 15781, 19264, 20552, 23488, 31562, 38528, 41104, 46976, 63124, 77056, 82208, 93952, 110467, 126248, 164416, 220934, 252496, 328832, 441868, 504992, 657664, 883736, 1009984, 1767472, 2019968, 3534944, 4039936, 7069888, 14139776, 28279552]

約数ペア:

[(1, 28279552), (2, 14139776), (4, 7069888), (7, 4039936), (8, 3534944), (14, 2019968), (16, 1767472), (28, 1009984), (32, 883736), (43, 657664), (56, 504992), (64, 441868), (86, 328832), (112, 252496), (128, 220934), (172, 164416), (224, 126248), (256, 110467), (301, 93952), (344, 82208), (367, 77056), (448, 63124), (602, 46976), (688, 41104), (734, 38528), (896, 31562), (1204, 23488), (1376, 20552), (1468, 19264), (1792, 15781), (2408, 11744), (2569, 11008), (2752, 10276), (2936, 9632), (4816, 5872), (5138, 5504)]