156921895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{33071}}^1$

素因数の和:33162

約数の個数: 16

約数和(自身を含む): 205575552

約数和(自身を除く): 48653657

約数列:

[1, 5, 13, 65, 73, 365, 949, 4745, 33071, 165355, 429923, 2149615, 2414183, 12070915, 31384379, 156921895]

約数ペア:

[(1, 156921895), (5, 31384379), (13, 12070915), (65, 2414183), (73, 2149615), (365, 429923), (949, 165355), (4745, 33071)]