78904054

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 125981856

約数和(自身を除く): 47077802

約数列:

[1, 2, 37, 43, 74, 86, 137, 181, 274, 362, 1591, 3182, 5069, 5891, 6697, 7783, 10138, 11782, 13394, 15566, 24797, 49594, 217967, 287971, 435934, 575942, 917489, 1066271, 1834978, 2132542, 39452027, 78904054]

約数ペア:

[(1, 78904054), (2, 39452027), (37, 2132542), (43, 1834978), (74, 1066271), (86, 917489), (137, 575942), (181, 435934), (274, 287971), (362, 217967), (1591, 49594), (3182, 24797), (5069, 15566), (5891, 13394), (6697, 11782), (7783, 10138)]