261742078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{17881}}^1$

素因数の和:18459

約数の個数: 16

約数和(自身を含む): 423588816

約数和(自身を除く): 161846738

約数列:

[1, 2, 13, 26, 563, 1126, 7319, 14638, 17881, 35762, 232453, 464906, 10067003, 20134006, 130871039, 261742078]

約数ペア:

[(1, 261742078), (2, 130871039), (13, 20134006), (26, 10067003), (563, 464906), (1126, 232453), (7319, 35762), (14638, 17881)]