28254653

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1949}}^1$

素因数の和:2084

約数の個数: 16

約数和(自身を含む): 34320000

約数和(自身を除く): 6065347

約数列:

[1, 7, 19, 109, 133, 763, 1949, 2071, 13643, 14497, 37031, 212441, 259217, 1487087, 4036379, 28254653]

約数ペア:

[(1, 28254653), (7, 4036379), (19, 1487087), (109, 259217), (133, 212441), (763, 37031), (1949, 14497), (2071, 13643)]