256994586

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^2\times {\mathrm{1279}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 581068800

約数和(自身を除く): 324074214

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1279, 1647, 2558, 3294, 3721, 3837, 7442, 7674, 11163, 11511, 22326, 23022, 33489, 34533, 66978, 69066, 78019, 100467, 156038, 200934, 234057, 468114, 702171, 1404342, 2106513, 4213026, 4759159, 9518318, 14277477, 28554954, 42832431, 85664862, 128497293, 256994586]

約数ペア:

[(1, 256994586), (2, 128497293), (3, 85664862), (6, 42832431), (9, 28554954), (18, 14277477), (27, 9518318), (54, 4759159), (61, 4213026), (122, 2106513), (183, 1404342), (366, 702171), (549, 468114), (1098, 234057), (1279, 200934), (1647, 156038), (2558, 100467), (3294, 78019), (3721, 69066), (3837, 66978), (7442, 34533), (7674, 33489), (11163, 23022), (11511, 22326)]