217213136

素因数分解:

$2^4\times 7^1\times {\mathrm{1939403}}^1$

素因数の和:1939418

約数の個数: 20

約数和(自身を含む): 480972192

約数和(自身を除く): 263759056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1939403, 3878806, 7757612, 13575821, 15515224, 27151642, 31030448, 54303284, 108606568, 217213136]

約数ペア:

[(1, 217213136), (2, 108606568), (4, 54303284), (7, 31030448), (8, 27151642), (14, 15515224), (16, 13575821), (28, 7757612), (56, 3878806), (112, 1939403)]