81642964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{50647}}^1$

素因数の和:50695

約数の個数: 24

約数和(自身を含む): 158832128

約数和(自身を除く): 77189164

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 50647, 101294, 202588, 658411, 1316822, 1570057, 2633644, 3140114, 6280228, 20410741, 40821482, 81642964]

約数ペア:

[(1, 81642964), (2, 40821482), (4, 20410741), (13, 6280228), (26, 3140114), (31, 2633644), (52, 1570057), (62, 1316822), (124, 658411), (403, 202588), (806, 101294), (1612, 50647)]