989163578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{521161}}^1$

素因数の和:521249

約数の個数: 16

約数和(自身を含む): 1619771496

約数和(自身を除く): 630607918

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 521161, 1042322, 6775093, 13550186, 38044753, 76089506, 494581789, 989163578]

約数ペア:

[(1, 989163578), (2, 494581789), (13, 76089506), (26, 38044753), (73, 13550186), (146, 6775093), (949, 1042322), (1898, 521161)]