12640035

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44351}}^1$

素因数の和:44378

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 8648925

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 44351, 133053, 221755, 665265, 842669, 2528007, 4213345, 12640035]

約数ペア:

[(1, 12640035), (3, 4213345), (5, 2528007), (15, 842669), (19, 665265), (57, 221755), (95, 133053), (285, 44351)]