206688170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{3541}}^1$

素因数の和:4010

約数の個数: 32

約数和(自身を含む): 401662800

約数和(自身を除く): 194974630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 898, 2245, 3541, 4490, 5837, 7082, 11674, 17705, 29185, 35410, 46033, 58370, 92066, 230165, 460330, 1589909, 3179818, 7949545, 15899090, 20668817, 41337634, 103344085, 206688170]

約数ペア:

[(1, 206688170), (2, 103344085), (5, 41337634), (10, 20668817), (13, 15899090), (26, 7949545), (65, 3179818), (130, 1589909), (449, 460330), (898, 230165), (2245, 92066), (3541, 58370), (4490, 46033), (5837, 35410), (7082, 29185), (11674, 17705)]