648334394

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{19717}}^1$

素因数の和:20161

約数の個数: 16

約数和(自身を含む): 998756136

約数和(自身を除く): 350421742

約数列:

[1, 2, 41, 82, 401, 802, 16441, 19717, 32882, 39434, 808397, 1616794, 7906517, 15813034, 324167197, 648334394]

約数ペア:

[(1, 648334394), (2, 324167197), (41, 15813034), (82, 7906517), (401, 1616794), (802, 808397), (16441, 39434), (19717, 32882)]