64777139

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{491}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 75949056

約数和(自身を除く): 11171917

約数列:

[1, 7, 47, 329, 401, 491, 2807, 3437, 18847, 23077, 131929, 161539, 196891, 1378237, 9253877, 64777139]

約数ペア:

[(1, 64777139), (7, 9253877), (47, 1378237), (329, 196891), (401, 161539), (491, 131929), (2807, 23077), (3437, 18847)]