68910572

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 122893680

約数和(自身を除く): 53983108

約数列:

[1, 2, 4, 67, 134, 268, 389, 661, 778, 1322, 1556, 2644, 26063, 44287, 52126, 88574, 104252, 177148, 257129, 514258, 1028516, 17227643, 34455286, 68910572]

約数ペア:

[(1, 68910572), (2, 34455286), (4, 17227643), (67, 1028516), (134, 514258), (268, 257129), (389, 177148), (661, 104252), (778, 88574), (1322, 52126), (1556, 44287), (2644, 26063)]