209217145

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{3463}}^1$

素因数の和:3792

約数の個数: 16

約数和(自身を含む): 257887872

約数和(自身を除く): 48670727

約数列:

[1, 5, 43, 215, 281, 1405, 3463, 12083, 17315, 60415, 148909, 744545, 973103, 4865515, 41843429, 209217145]

約数ペア:

[(1, 209217145), (5, 41843429), (43, 4865515), (215, 973103), (281, 744545), (1405, 148909), (3463, 60415), (12083, 17315)]