128548990

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{98129}}^1$

素因数の和:98267

約数の個数: 16

約数和(自身を含む): 233156880

約数和(自身を除く): 104607890

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 98129, 196258, 490645, 981290, 12854899, 25709798, 64274495, 128548990]

約数ペア:

[(1, 128548990), (2, 64274495), (5, 25709798), (10, 12854899), (131, 981290), (262, 490645), (655, 196258), (1310, 98129)]