820149218

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{297371}}^1$

素因数の和:297577

約数の個数: 16

約数和(自身を含む): 1413111744

約数和(自身を除く): 592962526

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 297371, 594742, 2081597, 4163194, 58582087, 117164174, 410074609, 820149218]

約数ペア:

[(1, 820149218), (2, 410074609), (7, 117164174), (14, 58582087), (197, 4163194), (394, 2081597), (1379, 594742), (2758, 297371)]