12990085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2028

約数の個数: 16

約数和(自身を含む): 16473600

約数和(自身を除く): 3483515

約数列:

[1, 5, 31, 43, 155, 215, 1333, 1949, 6665, 9745, 60419, 83807, 302095, 419035, 2598017, 12990085]

約数ペア:

[(1, 12990085), (5, 2598017), (31, 419035), (43, 302095), (155, 83807), (215, 60419), (1333, 9745), (1949, 6665)]