1970215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1783}}^1$

素因数の和:1818

約数の個数: 16

約数和(自身を含む): 2697408

約数和(自身を除く): 727193

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1783, 8915, 23179, 30311, 115895, 151555, 394043, 1970215]

約数ペア:

[(1, 1970215), (5, 394043), (13, 151555), (17, 115895), (65, 30311), (85, 23179), (221, 8915), (1105, 1783)]