217804522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{21101}}^1$

素因数の和:21513

約数の個数: 16

約数和(自身を含む): 352741032

約数和(自身を除く): 134936510

約数列:

[1, 2, 13, 26, 397, 794, 5161, 10322, 21101, 42202, 274313, 548626, 8377097, 16754194, 108902261, 217804522]

約数ペア:

[(1, 217804522), (2, 108902261), (13, 16754194), (26, 8377097), (397, 548626), (794, 274313), (5161, 42202), (10322, 21101)]