2178314621

素因数分解:

$7^1\times {\mathrm{223}}^1\times {\mathrm{653}}^1\times {\mathrm{2137}}^1$

素因数の和:3020

約数の個数: 16

約数和(自身を含む): 2505667584

約数和(自身を除く): 327352963

約数列:

[1, 7, 223, 653, 1561, 2137, 4571, 14959, 145619, 476551, 1019333, 1395461, 3335857, 9768227, 311187803, 2178314621]

約数ペア:

[(1, 2178314621), (7, 311187803), (223, 9768227), (653, 3335857), (1561, 1395461), (2137, 1019333), (4571, 476551), (14959, 145619)]