68807128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{661607}}^1$

素因数の和:661626

約数の個数: 16

約数和(自身を含む): 138937680

約数和(自身を除く): 70130552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 661607, 1323214, 2646428, 5292856, 8600891, 17201782, 34403564, 68807128]

約数ペア:

[(1, 68807128), (2, 34403564), (4, 17201782), (8, 8600891), (13, 5292856), (26, 2646428), (52, 1323214), (104, 661607)]