90190321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 110799360

約数和(自身を除く): 20609039

約数列:

[1, 13, 17, 19, 47, 221, 247, 323, 457, 611, 799, 893, 4199, 5941, 7769, 8683, 10387, 11609, 15181, 21479, 100997, 112879, 147611, 197353, 279227, 365143, 408101, 1918943, 4746859, 5305313, 6937717, 90190321]

約数ペア:

[(1, 90190321), (13, 6937717), (17, 5305313), (19, 4746859), (47, 1918943), (221, 408101), (247, 365143), (323, 279227), (457, 197353), (611, 147611), (799, 112879), (893, 100997), (4199, 21479), (5941, 15181), (7769, 11609), (8683, 10387)]