245280572

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{409}}^1\times {\mathrm{479}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 432566400

約数和(自身を除く): 187285828

約数列:

[1, 2, 4, 313, 409, 479, 626, 818, 958, 1252, 1636, 1916, 128017, 149927, 195911, 256034, 299854, 391822, 512068, 599708, 783644, 61320143, 122640286, 245280572]

約数ペア:

[(1, 245280572), (2, 122640286), (4, 61320143), (313, 783644), (409, 599708), (479, 512068), (626, 391822), (818, 299854), (958, 256034), (1252, 195911), (1636, 149927), (1916, 128017)]