709988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 1347192

約数和(自身を除く): 637204

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 197, 212, 394, 788, 901, 1802, 3349, 3604, 6698, 10441, 13396, 20882, 41764, 177497, 354994, 709988]

約数ペア:

[(1, 709988), (2, 354994), (4, 177497), (17, 41764), (34, 20882), (53, 13396), (68, 10441), (106, 6698), (197, 3604), (212, 3349), (394, 1802), (788, 901)]