81695276

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{120851}}^1$

素因数の和:120881

約数の個数: 18

約数和(自身を含む): 154811412

約数和(自身を除く): 73116136

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 120851, 241702, 483404, 1571063, 3142126, 6284252, 20423819, 40847638, 81695276]

約数ペア:

[(1, 81695276), (2, 40847638), (4, 20423819), (13, 6284252), (26, 3142126), (52, 1571063), (169, 483404), (338, 241702), (676, 120851)]