2646788978

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{209431}}^1$

素因数の和:209593

約数の個数: 16

約数和(自身を含む): 4071358080

約数和(自身を除く): 1424569102

約数列:

[1, 2, 71, 89, 142, 178, 6319, 12638, 209431, 418862, 14869601, 18639359, 29739202, 37278718, 1323394489, 2646788978]

約数ペア:

[(1, 2646788978), (2, 1323394489), (71, 37278718), (89, 29739202), (142, 18639359), (178, 14869601), (6319, 418862), (12638, 209431)]