198309887

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{121439}}^1$

素因数の和:121533

約数の個数: 8

約数和(自身を含む): 209848320

約数和(自身を除く): 11538433

約数列:

[1, 23, 71, 1633, 121439, 2793097, 8622169, 198309887]

約数ペア:

[(1, 198309887), (23, 8622169), (71, 2793097), (1633, 121439)]