28558187

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1538

約数の個数: 16

約数和(自身を含む): 33902592

約数和(自身を除く): 5344405

約数列:

[1, 7, 47, 61, 329, 427, 1423, 2867, 9961, 20069, 66881, 86803, 468167, 607621, 4079741, 28558187]

約数ペア:

[(1, 28558187), (7, 4079741), (47, 607621), (61, 468167), (329, 86803), (427, 66881), (1423, 20069), (2867, 9961)]