209980972

素因数分解:

$2^2\times {\mathrm{1009}}^1\times {\mathrm{52027}}^1$

素因数の和:53040

約数の個数: 12

約数和(自身を含む): 367837960

約数和(自身を除く): 157856988

約数列:

[1, 2, 4, 1009, 2018, 4036, 52027, 104054, 208108, 52495243, 104990486, 209980972]

約数ペア:

[(1, 209980972), (2, 104990486), (4, 52495243), (1009, 208108), (2018, 104054), (4036, 52027)]