81272777

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 86821632

約数和(自身を除く): 5548855

約数列:

[1, 23, 71, 157, 317, 1633, 3611, 7291, 11147, 22507, 49769, 256381, 517661, 1144687, 3533599, 81272777]

約数ペア:

[(1, 81272777), (23, 3533599), (71, 1144687), (157, 517661), (317, 256381), (1633, 49769), (3611, 22507), (7291, 11147)]