2155201945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1950409}}^1$

素因数の和:1950444

約数の個数: 16

約数和(自身を含む): 2949019920

約数和(自身を除く): 793817975

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1950409, 9752045, 25355317, 33156953, 126776585, 165784765, 431040389, 2155201945]

約数ペア:

[(1, 2155201945), (5, 431040389), (13, 165784765), (17, 126776585), (65, 33156953), (85, 25355317), (221, 9752045), (1105, 1950409)]