638961078

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{2173337}}^1$

素因数の和:2173356

約数の個数: 24

約数和(自身を含む): 1486563192

約数和(自身を除く): 847602114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 2173337, 4346674, 6520011, 13040022, 15213359, 30426718, 45640077, 91280154, 106493513, 212987026, 319480539, 638961078]

約数ペア:

[(1, 638961078), (2, 319480539), (3, 212987026), (6, 106493513), (7, 91280154), (14, 45640077), (21, 30426718), (42, 15213359), (49, 13040022), (98, 6520011), (147, 4346674), (294, 2173337)]