31087925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 43538880

約数和(自身を除く): 12450955

約数列:

[1, 5, 11, 25, 43, 55, 121, 215, 239, 275, 473, 605, 1075, 1195, 2365, 2629, 3025, 5203, 5975, 10277, 11825, 13145, 26015, 28919, 51385, 65725, 113047, 130075, 144595, 256925, 565235, 722975, 1243517, 2826175, 6217585, 31087925]

約数ペア:

[(1, 31087925), (5, 6217585), (11, 2826175), (25, 1243517), (43, 722975), (55, 565235), (121, 256925), (215, 144595), (239, 130075), (275, 113047), (473, 65725), (605, 51385), (1075, 28919), (1195, 26015), (2365, 13145), (2629, 11825), (3025, 10277), (5203, 5975)]