251291222

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1380721}}^1$

素因数の和:1380743

約数の個数: 16

約数和(自身を含む): 463922592

約数和(自身を除く): 212631370

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 1380721, 2761442, 9665047, 17949373, 19330094, 35898746, 125645611, 251291222]

約数ペア:

[(1, 251291222), (2, 125645611), (7, 35898746), (13, 19330094), (14, 17949373), (26, 9665047), (91, 2761442), (182, 1380721)]