217081648

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{27299}}^1$

素因数の和:27385

約数の個数: 40

約数和(自身を含む): 487468800

約数和(自身を除く): 270387152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 27299, 54598, 109196, 191093, 218392, 382186, 436784, 764372, 1528744, 1938229, 3057488, 3876458, 7752916, 13567603, 15505832, 27135206, 31011664, 54270412, 108540824, 217081648]

約数ペア:

[(1, 217081648), (2, 108540824), (4, 54270412), (7, 31011664), (8, 27135206), (14, 15505832), (16, 13567603), (28, 7752916), (56, 3876458), (71, 3057488), (112, 1938229), (142, 1528744), (284, 764372), (497, 436784), (568, 382186), (994, 218392), (1136, 191093), (1988, 109196), (3976, 54598), (7952, 27299)]