320072207

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{12517}}^1$

素因数の和:12818

約数の個数: 16

約数和(自身を含む): 395368512

約数和(自身を除く): 75296305

約数列:

[1, 7, 13, 91, 281, 1967, 3653, 12517, 25571, 87619, 162721, 1139047, 3517277, 24620939, 45724601, 320072207]

約数ペア:

[(1, 320072207), (7, 45724601), (13, 24620939), (91, 3517277), (281, 1139047), (1967, 162721), (3653, 87619), (12517, 25571)]