1338456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 3962880

約数和(自身を除く): 2624424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 257, 372, 434, 514, 651, 744, 771, 868, 1028, 1302, 1542, 1736, 1799, 2056, 2604, 3084, 3598, 5208, 5397, 6168, 7196, 7967, 10794, 14392, 15934, 21588, 23901, 31868, 43176, 47802, 55769, 63736, 95604, 111538, 167307, 191208, 223076, 334614, 446152, 669228, 1338456]

約数ペア:

[(1, 1338456), (2, 669228), (3, 446152), (4, 334614), (6, 223076), (7, 191208), (8, 167307), (12, 111538), (14, 95604), (21, 63736), (24, 55769), (28, 47802), (31, 43176), (42, 31868), (56, 23901), (62, 21588), (84, 15934), (93, 14392), (124, 10794), (168, 7967), (186, 7196), (217, 6168), (248, 5397), (257, 5208), (372, 3598), (434, 3084), (514, 2604), (651, 2056), (744, 1799), (771, 1736), (868, 1542), (1028, 1302)]