12578735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{449}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 16329600

約数和(自身を除く): 3750865

約数列:

[1, 5, 13, 65, 431, 449, 2155, 2245, 5603, 5837, 28015, 29185, 193519, 967595, 2515747, 12578735]

約数ペア:

[(1, 12578735), (5, 2515747), (13, 967595), (65, 193519), (431, 29185), (449, 28015), (2155, 5837), (2245, 5603)]