28360913

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3907}}^1$

素因数の和:3992

約数の個数: 16

約数和(自身を含む): 34890624

約数和(自身を除く): 6529711

約数列:

[1, 7, 17, 61, 119, 427, 1037, 3907, 7259, 27349, 66419, 238327, 464933, 1668289, 4051559, 28360913]

約数ペア:

[(1, 28360913), (7, 4051559), (17, 1668289), (61, 464933), (119, 238327), (427, 66419), (1037, 27349), (3907, 7259)]