9912889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 12100480

約数和(自身を除く): 2187591

約数列:

[1, 7, 19, 73, 133, 511, 1021, 1387, 7147, 9709, 19399, 74533, 135793, 521731, 1416127, 9912889]

約数ペア:

[(1, 9912889), (7, 1416127), (19, 521731), (73, 135793), (133, 74533), (511, 19399), (1021, 9709), (1387, 7147)]