199909588

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{703907}}^1$

素因数の和:703982

約数の個数: 12

約数和(自身を含む): 354769632

約数和(自身を除く): 154860044

約数列:

[1, 2, 4, 71, 142, 284, 703907, 1407814, 2815628, 49977397, 99954794, 199909588]

約数ペア:

[(1, 199909588), (2, 99954794), (4, 49977397), (71, 2815628), (142, 1407814), (284, 703907)]