26820605

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 11499523

約数列:

[1, 5, 7, 35, 43, 71, 215, 251, 301, 355, 497, 1255, 1505, 1757, 2485, 3053, 8785, 10793, 15265, 17821, 21371, 53965, 75551, 89105, 106855, 124747, 377755, 623735, 766303, 3831515, 5364121, 26820605]

約数ペア:

[(1, 26820605), (5, 5364121), (7, 3831515), (35, 766303), (43, 623735), (71, 377755), (215, 124747), (251, 106855), (301, 89105), (355, 75551), (497, 53965), (1255, 21371), (1505, 17821), (1757, 15265), (2485, 10793), (3053, 8785)]