661569098890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9450987127}}^1$

素因数の和:9450987141

約数の個数: 16

約数和(自身を含む): 1360942146432

約数和(自身を除く): 699373047542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9450987127, 18901974254, 47254935635, 66156909889, 94509871270, 132313819778, 330784549445, 661569098890]

約数ペア:

[(1, 661569098890), (2, 330784549445), (5, 132313819778), (7, 94509871270), (10, 66156909889), (14, 47254935635), (35, 18901974254), (70, 9450987127)]