2643256

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 6299640

約数和(自身を除く): 3656384

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 613, 616, 1078, 1226, 2156, 2452, 4291, 4312, 4904, 6743, 8582, 13486, 17164, 26972, 30037, 34328, 47201, 53944, 60074, 94402, 120148, 188804, 240296, 330407, 377608, 660814, 1321628, 2643256]

約数ペア:

[(1, 2643256), (2, 1321628), (4, 660814), (7, 377608), (8, 330407), (11, 240296), (14, 188804), (22, 120148), (28, 94402), (44, 60074), (49, 53944), (56, 47201), (77, 34328), (88, 30037), (98, 26972), (154, 17164), (196, 13486), (308, 8582), (392, 6743), (539, 4904), (613, 4312), (616, 4291), (1078, 2452), (1226, 2156)]