28018907

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1361}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 34126272

約数和(自身を除く): 6107365

約数列:

[1, 7, 17, 119, 173, 1211, 1361, 2941, 9527, 20587, 23137, 161959, 235453, 1648171, 4002701, 28018907]

約数ペア:

[(1, 28018907), (7, 4002701), (17, 1648171), (119, 235453), (173, 161959), (1211, 23137), (1361, 20587), (2941, 9527)]