217406917

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{40493}}^1$

素因数の和:40572

約数の個数: 16

約数和(自身を含む): 272119680

約数和(自身を除く): 54712763

約数列:

[1, 7, 13, 59, 91, 413, 767, 5369, 40493, 283451, 526409, 2389087, 3684863, 16723609, 31058131, 217406917]

約数ペア:

[(1, 217406917), (7, 31058131), (13, 16723609), (59, 3684863), (91, 2389087), (413, 526409), (767, 283451), (5369, 40493)]