28094521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16249}}^1$

素因数の和:16288

約数の個数: 16

約数和(自身を含む): 36400000

約数和(自身を除く): 8305479

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16249, 113743, 211237, 308731, 1478659, 2161117, 4013503, 28094521]

約数ペア:

[(1, 28094521), (7, 4013503), (13, 2161117), (19, 1478659), (91, 308731), (133, 211237), (247, 113743), (1729, 16249)]