78104159

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{15649}}^1$

素因数の和:15710

約数の個数: 16

約数和(自身を含む): 96153600

約数和(自身を除く): 18049441

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 15649, 109543, 359927, 485119, 2519489, 3395833, 11157737, 78104159]

約数ペア:

[(1, 78104159), (7, 11157737), (23, 3395833), (31, 2519489), (161, 485119), (217, 359927), (713, 109543), (4991, 15649)]