81771716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{68371}}^1$

素因数の和:68411

約数の個数: 24

約数和(自身を含む): 160810944

約数和(自身を除く): 79039228

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 68371, 136742, 273484, 888823, 1572533, 1777646, 3145066, 3555292, 6290132, 20442929, 40885858, 81771716]

約数ペア:

[(1, 81771716), (2, 40885858), (4, 20442929), (13, 6290132), (23, 3555292), (26, 3145066), (46, 1777646), (52, 1572533), (92, 888823), (299, 273484), (598, 136742), (1196, 68371)]