126687702970

素因数分解:

$2^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{6343901}}^1$

素因数の和:6345905

約数の個数: 16

約数和(自身を含む): 228152091528

約数和(自身を除く): 101464388558

約数列:

[1, 2, 5, 10, 1997, 3994, 9985, 19970, 6343901, 12687802, 31719505, 63439010, 12668770297, 25337540594, 63343851485, 126687702970]

約数ペア:

[(1, 126687702970), (2, 63343851485), (5, 25337540594), (10, 12668770297), (1997, 63439010), (3994, 31719505), (9985, 12687802), (19970, 6343901)]