1972372370

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1\times {\mathrm{1087}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 3570241536

約数和(自身を除く): 1597869166

約数列:

[1, 2, 5, 10, 421, 431, 842, 862, 1087, 2105, 2155, 2174, 4210, 4310, 5435, 10870, 181451, 362902, 457627, 468497, 907255, 915254, 936994, 1814510, 2288135, 2342485, 4576270, 4684970, 197237237, 394474474, 986186185, 1972372370]

約数ペア:

[(1, 1972372370), (2, 986186185), (5, 394474474), (10, 197237237), (421, 4684970), (431, 4576270), (842, 2342485), (862, 2288135), (1087, 1814510), (2105, 936994), (2155, 915254), (2174, 907255), (4210, 468497), (4310, 457627), (5435, 362902), (10870, 181451)]