397982074

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{70891}}^1$

素因数の和:71301

約数の個数: 16

約数和(自身を含む): 683966016

約数和(自身を除く): 285983942

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5614, 70891, 141782, 496237, 992474, 28427291, 56854582, 198991037, 397982074]

約数ペア:

[(1, 397982074), (2, 198991037), (7, 56854582), (14, 28427291), (401, 992474), (802, 496237), (2807, 141782), (5614, 70891)]