1978889972

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{81409}}^1$

素因数の和:81575

約数の個数: 24

約数和(自身を含む): 3555988800

約数和(自身を除く): 1577098828

約数列:

[1, 2, 4, 59, 103, 118, 206, 236, 412, 6077, 12154, 24308, 81409, 162818, 325636, 4803131, 8385127, 9606262, 16770254, 19212524, 33540508, 494722493, 989444986, 1978889972]

約数ペア:

[(1, 1978889972), (2, 989444986), (4, 494722493), (59, 33540508), (103, 19212524), (118, 16770254), (206, 9606262), (236, 8385127), (412, 4803131), (6077, 325636), (12154, 162818), (24308, 81409)]