217708232

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{204613}}^1$

素因数の和:204645

約数の個数: 32

約数和(自身を含む): 491073600

約数和(自身を除く): 273365368

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 204613, 409226, 818452, 1432291, 1636904, 2864582, 3887647, 5729164, 7775294, 11458328, 15550588, 27213529, 31101176, 54427058, 108854116, 217708232]

約数ペア:

[(1, 217708232), (2, 108854116), (4, 54427058), (7, 31101176), (8, 27213529), (14, 15550588), (19, 11458328), (28, 7775294), (38, 5729164), (56, 3887647), (76, 2864582), (133, 1636904), (152, 1432291), (266, 818452), (532, 409226), (1064, 204613)]