218768984

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{126019}}^1$

素因数の和:126063

約数の個数: 32

約数和(自身を含む): 483916800

約数和(自身を除く): 265147816

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 126019, 252038, 504076, 882133, 1008152, 1764266, 3528532, 3906589, 7057064, 7813178, 15626356, 27346123, 31252712, 54692246, 109384492, 218768984]

約数ペア:

[(1, 218768984), (2, 109384492), (4, 54692246), (7, 31252712), (8, 27346123), (14, 15626356), (28, 7813178), (31, 7057064), (56, 3906589), (62, 3528532), (124, 1764266), (217, 1008152), (248, 882133), (434, 504076), (868, 252038), (1736, 126019)]