208514890

素因数分解:

$2^1\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{9649}}^1$

素因数の和:11817

約数の個数: 16

約数和(自身を含む): 375539400

約数和(自身を除く): 167024510

約数列:

[1, 2, 5, 10, 2161, 4322, 9649, 10805, 19298, 21610, 48245, 96490, 20851489, 41702978, 104257445, 208514890]

約数ペア:

[(1, 208514890), (2, 104257445), (5, 41702978), (10, 20851489), (2161, 96490), (4322, 48245), (9649, 21610), (10805, 19298)]