28281385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2437}}^1$

素因数の和:2664

約数の個数: 16

約数和(自身を含む): 37213632

約数和(自身を除く): 8932247

約数列:

[1, 5, 11, 55, 211, 1055, 2321, 2437, 11605, 12185, 26807, 134035, 514207, 2571035, 5656277, 28281385]

約数ペア:

[(1, 28281385), (5, 5656277), (11, 2571035), (55, 514207), (211, 134035), (1055, 26807), (2321, 12185), (2437, 11605)]