159979565

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{4111}}^1$

素因数の和:4340

約数の個数: 16

約数和(自身を含む): 197573376

約数和(自身を除く): 37593811

約数列:

[1, 5, 43, 181, 215, 905, 4111, 7783, 20555, 38915, 176773, 744091, 883865, 3720455, 31995913, 159979565]

約数ペア:

[(1, 159979565), (5, 31995913), (43, 3720455), (181, 883865), (215, 744091), (905, 176773), (4111, 38915), (7783, 20555)]