2019571939

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{65407}}^1$

素因数の和:65826

約数の個数: 16

約数和(自身を含む): 2524225536

約数和(自身を除く): 504653597

約数列:

[1, 7, 11, 77, 401, 2807, 4411, 30877, 65407, 457849, 719477, 5036339, 26228207, 183597449, 288510277, 2019571939]

約数ペア:

[(1, 2019571939), (7, 288510277), (11, 183597449), (77, 26228207), (401, 5036339), (2807, 719477), (4411, 457849), (30877, 65407)]