212899085

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{320149}}^1$

素因数の和:320180

約数の個数: 16

約数和(自身を含む): 307344000

約数和(自身を除く): 94444915

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 320149, 1600745, 2241043, 6082831, 11205215, 30414155, 42579817, 212899085]

約数ペア:

[(1, 212899085), (5, 42579817), (7, 30414155), (19, 11205215), (35, 6082831), (95, 2241043), (133, 1600745), (665, 320149)]