156921965

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{5507}}^1$

素因数の和:5692

約数の個数: 16

約数和(自身を含む): 194322240

約数和(自身を除く): 37400275

約数列:

[1, 5, 41, 139, 205, 695, 5507, 5699, 27535, 28495, 225787, 765473, 1128935, 3827365, 31384393, 156921965]

約数ペア:

[(1, 156921965), (5, 31384393), (41, 3827365), (139, 1128935), (205, 765473), (695, 225787), (5507, 28495), (5699, 27535)]