280153978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1\times {\mathrm{653}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 469702800

約数和(自身を除く): 189548822

約数列:

[1, 2, 13, 26, 29, 58, 377, 569, 653, 754, 1138, 1306, 7397, 8489, 14794, 16501, 16978, 18937, 33002, 37874, 214513, 246181, 371557, 429026, 492362, 743114, 4830241, 9660482, 10775153, 21550306, 140076989, 280153978]

約数ペア:

[(1, 280153978), (2, 140076989), (13, 21550306), (26, 10775153), (29, 9660482), (58, 4830241), (377, 743114), (569, 492362), (653, 429026), (754, 371557), (1138, 246181), (1306, 214513), (7397, 37874), (8489, 33002), (14794, 18937), (16501, 16978)]