202490990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1557623}}^1$

素因数の和:1557643

約数の個数: 16

約数和(自身を含む): 392521248

約数和(自身を除く): 190030258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1557623, 3115246, 7788115, 15576230, 20249099, 40498198, 101245495, 202490990]

約数ペア:

[(1, 202490990), (2, 101245495), (5, 40498198), (10, 20249099), (13, 15576230), (26, 7788115), (65, 3115246), (130, 1557623)]