330778847

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 421355520

約数和(自身を除く): 90576673

約数列:

[1, 7, 19, 23, 71, 133, 161, 437, 497, 1349, 1523, 1633, 3059, 9443, 10661, 11431, 28937, 31027, 35029, 108133, 202559, 217189, 245203, 665551, 756931, 2054527, 2487059, 4658857, 14381689, 17409413, 47254121, 330778847]

約数ペア:

[(1, 330778847), (7, 47254121), (19, 17409413), (23, 14381689), (71, 4658857), (133, 2487059), (161, 2054527), (437, 756931), (497, 665551), (1349, 245203), (1523, 217189), (1633, 202559), (3059, 108133), (9443, 35029), (10661, 31027), (11431, 28937)]