260004556

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{130787}}^1$

素因数の和:130869

約数の個数: 24

約数和(自身を含む): 527337216

約数和(自身を除く): 267332660

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 130787, 261574, 523148, 915509, 1831018, 3662036, 9285877, 18571754, 37143508, 65001139, 130002278, 260004556]

約数ペア:

[(1, 260004556), (2, 130002278), (4, 65001139), (7, 37143508), (14, 18571754), (28, 9285877), (71, 3662036), (142, 1831018), (284, 915509), (497, 523148), (994, 261574), (1988, 130787)]