128650225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:702

約数の個数: 36

約数和(自身を含む): 178113600

約数和(自身を除く): 49463375

約数列:

[1, 5, 11, 25, 55, 71, 121, 275, 355, 599, 605, 781, 1775, 2995, 3025, 3905, 6589, 8591, 14975, 19525, 32945, 42529, 42955, 72479, 164725, 212645, 214775, 362395, 467819, 1063225, 1811975, 2339095, 5146009, 11695475, 25730045, 128650225]

約数ペア:

[(1, 128650225), (5, 25730045), (11, 11695475), (25, 5146009), (55, 2339095), (71, 1811975), (121, 1063225), (275, 467819), (355, 362395), (599, 214775), (605, 212645), (781, 164725), (1775, 72479), (2995, 42955), (3025, 42529), (3905, 32945), (6589, 19525), (8591, 14975)]