28289004961

素因数分解:

$7^1\times {\mathrm{887}}^1\times {\mathrm{1321}}^1\times {\mathrm{3449}}^1$

素因数の和:5664

約数の個数: 16

約数和(自身を含む): 32400633600

約数和(自身を除く): 4111628639

約数列:

[1, 7, 887, 1321, 3449, 6209, 9247, 24143, 1171727, 3059263, 4556129, 8202089, 21414841, 31892903, 4041286423, 28289004961]

約数ペア:

[(1, 28289004961), (7, 4041286423), (887, 31892903), (1321, 21414841), (3449, 8202089), (6209, 4556129), (9247, 3059263), (24143, 1171727)]