989045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 1296000

約数和(自身を除く): 306955

約数列:

[1, 5, 19, 29, 95, 145, 359, 551, 1795, 2755, 6821, 10411, 34105, 52055, 197809, 989045]

約数ペア:

[(1, 989045), (5, 197809), (19, 52055), (29, 34105), (95, 10411), (145, 6821), (359, 2755), (551, 1795)]