128712865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{8753}}^1$

素因数の和:8948

約数の個数: 16

約数和(自身を含む): 164505168

約数和(自身を除く): 35792303

約数列:

[1, 5, 17, 85, 173, 865, 2941, 8753, 14705, 43765, 148801, 744005, 1514269, 7571345, 25742573, 128712865]

約数ペア:

[(1, 128712865), (5, 25742573), (17, 7571345), (85, 1514269), (173, 744005), (865, 148801), (2941, 43765), (8753, 14705)]