55109015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19717}}^1$

素因数の和:19778

約数の個数: 16

約数和(自身を含む): 72877728

約数和(自身を除く): 17768713

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 19717, 98585, 256321, 847831, 1281605, 4239155, 11021803, 55109015]

約数ペア:

[(1, 55109015), (5, 11021803), (13, 4239155), (43, 1281605), (65, 847831), (215, 256321), (559, 98585), (2795, 19717)]