1977563

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 16

約数和(自身を含む): 2405376

約数和(自身を除く): 427813

約数列:

[1, 7, 23, 71, 161, 173, 497, 1211, 1633, 3979, 11431, 12283, 27853, 85981, 282509, 1977563]

約数ペア:

[(1, 1977563), (7, 282509), (23, 85981), (71, 27853), (161, 12283), (173, 11431), (497, 3979), (1211, 1633)]