66871945

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{12823}}^1$

素因数の和:12984

約数の個数: 16

約数和(自身を含む): 92332800

約数和(自身を除く): 25460855

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 12823, 64115, 89761, 448805, 1910627, 9553135, 13374389, 66871945]

約数ペア:

[(1, 66871945), (5, 13374389), (7, 9553135), (35, 1910627), (149, 448805), (745, 89761), (1043, 64115), (5215, 12823)]