80400001

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 95225760

約数和(自身を除く): 14825759

約数列:

[1, 11, 19, 37, 209, 281, 407, 703, 1369, 3091, 5339, 7733, 10397, 15059, 26011, 58729, 114367, 197543, 286121, 384689, 2172973, 4231579, 7309091, 80400001]

約数ペア:

[(1, 80400001), (11, 7309091), (19, 4231579), (37, 2172973), (209, 384689), (281, 286121), (407, 197543), (703, 114367), (1369, 58729), (3091, 26011), (5339, 15059), (7733, 10397)]