31157225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{827}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 42506208

約数和(自身を除く): 11348983

約数列:

[1, 5, 11, 25, 55, 137, 275, 685, 827, 1507, 3425, 4135, 7535, 9097, 20675, 37675, 45485, 113299, 227425, 566495, 1246289, 2832475, 6231445, 31157225]

約数ペア:

[(1, 31157225), (5, 6231445), (11, 2832475), (25, 1246289), (55, 566495), (137, 227425), (275, 113299), (685, 45485), (827, 37675), (1507, 20675), (3425, 9097), (4135, 7535)]