661017204

素因数分解:

$2^2\times 3^2\times {\mathrm{18361589}}^1$

素因数の和:18361599

約数の個数: 18

約数和(自身を含む): 1670904690

約数和(自身を除く): 1009887486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 18361589, 36723178, 55084767, 73446356, 110169534, 165254301, 220339068, 330508602, 661017204]

約数ペア:

[(1, 661017204), (2, 330508602), (3, 220339068), (4, 165254301), (6, 110169534), (9, 73446356), (12, 55084767), (18, 36723178), (36, 18361589)]