81091574

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{2411}}^1$

素因数の和:2731

約数の個数: 16

約数和(自身を含む): 123996096

約数和(自身を除く): 42904522

約数列:

[1, 2, 67, 134, 251, 502, 2411, 4822, 16817, 33634, 161537, 323074, 605161, 1210322, 40545787, 81091574]

約数ペア:

[(1, 81091574), (2, 40545787), (67, 1210322), (134, 605161), (251, 323074), (502, 161537), (2411, 33634), (4822, 16817)]