434668

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{643}}^1$

素因数の和:673

約数の個数: 18

約数和(自身を含む): 824964

約数和(自身を除く): 390296

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 643, 676, 1286, 2572, 8359, 16718, 33436, 108667, 217334, 434668]

約数ペア:

[(1, 434668), (2, 217334), (4, 108667), (13, 33436), (26, 16718), (52, 8359), (169, 2572), (338, 1286), (643, 676)]