1978053838

素因数分解:

$2^1\times {\mathrm{991}}^1\times {\mathrm{998009}}^1$

素因数の和:999002

約数の個数: 8

約数和(自身を含む): 2970077760

約数和(自身を除く): 992023922

約数列:

[1, 2, 991, 1982, 998009, 1996018, 989026919, 1978053838]

約数ペア:

[(1, 1978053838), (2, 989026919), (991, 1996018), (1982, 998009)]