217387816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1430183}}^1$

素因数の和:1430208

約数の個数: 16

約数和(自身を含む): 429055200

約数和(自身を除く): 211667384

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1430183, 2860366, 5720732, 11441464, 27173477, 54346954, 108693908, 217387816]

約数ペア:

[(1, 217387816), (2, 108693908), (4, 54346954), (8, 27173477), (19, 11441464), (38, 5720732), (76, 2860366), (152, 1430183)]