28436863

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16447}}^1$

素因数の和:16486

約数の個数: 16

約数和(自身を含む): 36843520

約数和(自身を除く): 8406657

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16447, 115129, 213811, 312493, 1496677, 2187451, 4062409, 28436863]

約数ペア:

[(1, 28436863), (7, 4062409), (13, 2187451), (19, 1496677), (91, 312493), (133, 213811), (247, 115129), (1729, 16447)]