131565928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{23869}}^1$

素因数の和:23941

約数の個数: 32

約数和(自身を含む): 270685800

約数和(自身を除く): 139119872

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 23869, 47738, 95476, 190952, 310297, 620594, 1241188, 1265057, 2482376, 2530114, 5060228, 10120456, 16445741, 32891482, 65782964, 131565928]

約数ペア:

[(1, 131565928), (2, 65782964), (4, 32891482), (8, 16445741), (13, 10120456), (26, 5060228), (52, 2530114), (53, 2482376), (104, 1265057), (106, 1241188), (212, 620594), (424, 310297), (689, 190952), (1378, 95476), (2756, 47738), (5512, 23869)]