121402649090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{638961311}}^1$

素因数の和:638961337

約数の個数: 16

約数和(自身を含む): 230026072320

約数和(自身を除く): 108623423230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 638961311, 1277922622, 3194806555, 6389613110, 12140264909, 24280529818, 60701324545, 121402649090]

約数ペア:

[(1, 121402649090), (2, 60701324545), (5, 24280529818), (10, 12140264909), (19, 6389613110), (38, 3194806555), (95, 1277922622), (190, 638961311)]