201990974588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{3884441819}}^1$

素因数の和:3884441836

約数の個数: 12

約数和(自身を含む): 380675298360

約数和(自身を除く): 178684323772

約数列:

[1, 2, 4, 13, 26, 52, 3884441819, 7768883638, 15537767276, 50497743647, 100995487294, 201990974588]

約数ペア:

[(1, 201990974588), (2, 100995487294), (4, 50497743647), (13, 15537767276), (26, 7768883638), (52, 3884441819)]