1005005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 1296000

約数和(自身を除く): 290995

約数列:

[1, 5, 19, 71, 95, 149, 355, 745, 1349, 2831, 6745, 10579, 14155, 52895, 201001, 1005005]

約数ペア:

[(1, 1005005), (5, 201001), (19, 52895), (71, 14155), (95, 10579), (149, 6745), (355, 2831), (745, 1349)]