15679960090

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2438563}}^1$

素因数の和:2439213

約数の個数: 16

約数和(自身を含む): 28267833888

約数和(自身を除く): 12587873798

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 2438563, 4877126, 12192815, 24385630, 1567996009, 3135992018, 7839980045, 15679960090]

約数ペア:

[(1, 15679960090), (2, 7839980045), (5, 3135992018), (10, 1567996009), (643, 24385630), (1286, 12192815), (3215, 4877126), (6430, 2438563)]