28427975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 36894960

約数和(自身を除く): 8466985

約数列:

[1, 5, 25, 29, 113, 145, 347, 565, 725, 1735, 2825, 3277, 8675, 10063, 16385, 39211, 50315, 81925, 196055, 251575, 980275, 1137119, 5685595, 28427975]

約数ペア:

[(1, 28427975), (5, 5685595), (25, 1137119), (29, 980275), (113, 251575), (145, 196055), (347, 81925), (565, 50315), (725, 39211), (1735, 16385), (2825, 10063), (3277, 8675)]