208516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 455616

約数和(自身を除く): 247100

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 677, 1354, 2708, 4739, 7447, 9478, 14894, 18956, 29788, 52129, 104258, 208516]

約数ペア:

[(1, 208516), (2, 104258), (4, 52129), (7, 29788), (11, 18956), (14, 14894), (22, 9478), (28, 7447), (44, 4739), (77, 2708), (154, 1354), (308, 677)]