255069925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1447}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 345817152

約数和(自身を除く): 90747227

約数列:

[1, 5, 11, 25, 55, 275, 641, 1447, 3205, 7051, 7235, 15917, 16025, 35255, 36175, 79585, 176275, 397925, 927527, 4637635, 10202797, 23188175, 51013985, 255069925]

約数ペア:

[(1, 255069925), (5, 51013985), (11, 23188175), (25, 10202797), (55, 4637635), (275, 927527), (641, 397925), (1447, 176275), (3205, 79585), (7051, 36175), (7235, 35255), (15917, 16025)]