81117745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{5113}}^1$

素因数の和:5304

約数の個数: 16

約数和(自身を含む): 103098240

約数和(自身を除く): 21980495

約数列:

[1, 5, 19, 95, 167, 835, 3173, 5113, 15865, 25565, 97147, 485735, 853871, 4269355, 16223549, 81117745]

約数ペア:

[(1, 81117745), (5, 16223549), (19, 4269355), (95, 853871), (167, 485735), (835, 97147), (3173, 25565), (5113, 15865)]