28521035

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 36789984

約数和(自身を除く): 8268949

約数列:

[1, 5, 23, 41, 115, 205, 263, 529, 943, 1315, 2645, 4715, 6049, 10783, 21689, 30245, 53915, 108445, 139127, 248009, 695635, 1240045, 5704207, 28521035]

約数ペア:

[(1, 28521035), (5, 5704207), (23, 1240045), (41, 695635), (115, 248009), (205, 139127), (263, 108445), (529, 53915), (943, 30245), (1315, 21689), (2645, 10783), (4715, 6049)]