138440778

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{470887}}^1$

素因数の和:470906

約数の個数: 24

約数和(自身を含む): 322087392

約数和(自身を除く): 183646614

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 470887, 941774, 1412661, 2825322, 3296209, 6592418, 9888627, 19777254, 23073463, 46146926, 69220389, 138440778]

約数ペア:

[(1, 138440778), (2, 69220389), (3, 46146926), (6, 23073463), (7, 19777254), (14, 9888627), (21, 6592418), (42, 3296209), (49, 2825322), (98, 1412661), (147, 941774), (294, 470887)]