678668914076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{9980425207}}^1$

素因数の和:9980425228

約数の個数: 12

約数和(自身を含む): 1257533576208

約数和(自身を除く): 578864662132

約数列:

[1, 2, 4, 17, 34, 68, 9980425207, 19960850414, 39921700828, 169667228519, 339334457038, 678668914076]

約数ペア:

[(1, 678668914076), (2, 339334457038), (4, 169667228519), (17, 39921700828), (34, 19960850414), (68, 9980425207)]