72071222

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1979}}^1$

素因数の和:2251

約数の個数: 16

約数和(自身を含む): 109771200

約数和(自身を除く): 37699978

約数列:

[1, 2, 131, 139, 262, 278, 1979, 3958, 18209, 36418, 259249, 275081, 518498, 550162, 36035611, 72071222]

約数ペア:

[(1, 72071222), (2, 36035611), (131, 550162), (139, 518498), (262, 275081), (278, 259249), (1979, 36418), (3958, 18209)]