389799995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{162079}}^1$

素因数の和:162134

約数の個数: 16

約数和(自身を含む): 517359360

約数和(自身を除く): 127559365

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 162079, 810395, 2107027, 5996923, 10535135, 29984615, 77959999, 389799995]

約数ペア:

[(1, 389799995), (5, 77959999), (13, 29984615), (37, 10535135), (65, 5996923), (185, 2107027), (481, 810395), (2405, 162079)]