256768326

素因数分解:

$2^1\times 3^3\times {\mathrm{227}}^1\times {\mathrm{20947}}^1$

素因数の和:21185

約数の個数: 32

約数和(自身を含む): 573137280

約数和(自身を除く): 316368954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 227, 454, 681, 1362, 2043, 4086, 6129, 12258, 20947, 41894, 62841, 125682, 188523, 377046, 565569, 1131138, 4754969, 9509938, 14264907, 28529814, 42794721, 85589442, 128384163, 256768326]

約数ペア:

[(1, 256768326), (2, 128384163), (3, 85589442), (6, 42794721), (9, 28529814), (18, 14264907), (27, 9509938), (54, 4754969), (227, 1131138), (454, 565569), (681, 377046), (1362, 188523), (2043, 125682), (4086, 62841), (6129, 41894), (12258, 20947)]