198819515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{28669}}^1$

素因数の和:28766

約数の個数: 16

約数和(自身を含む): 254589600

約数和(自身を除く): 55770085

約数列:

[1, 5, 19, 73, 95, 365, 1387, 6935, 28669, 143345, 544711, 2092837, 2723555, 10464185, 39763903, 198819515]

約数ペア:

[(1, 198819515), (5, 39763903), (19, 10464185), (73, 2723555), (95, 2092837), (365, 544711), (1387, 143345), (6935, 28669)]