64892009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41947}}^1$

素因数の和:41984

約数の個数: 16

約数和(自身を含む): 84567168

約数和(自身を除く): 19675159

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 41947, 293629, 545311, 713099, 3817177, 4991693, 9270287, 64892009]

約数ペア:

[(1, 64892009), (7, 9270287), (13, 4991693), (17, 3817177), (91, 713099), (119, 545311), (221, 293629), (1547, 41947)]