78072665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19993}}^1$

素因数の和:20080

約数の個数: 16

約数和(自身を含む): 103648896

約数和(自身を除く): 25576231

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 19993, 99965, 219923, 1099615, 1419503, 7097515, 15614533, 78072665]

約数ペア:

[(1, 78072665), (5, 15614533), (11, 7097515), (55, 1419503), (71, 1099615), (355, 219923), (781, 99965), (3905, 19993)]