123156955

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 163439856

約数和(自身を除く): 40282901

約数列:

[1, 5, 19, 31, 71, 95, 155, 355, 361, 589, 961, 1349, 1805, 2201, 2945, 4805, 6745, 11005, 11191, 18259, 25631, 41819, 55955, 68231, 91295, 128155, 209095, 341155, 346921, 794561, 1296389, 1734605, 3972805, 6481945, 24631391, 123156955]

約数ペア:

[(1, 123156955), (5, 24631391), (19, 6481945), (31, 3972805), (71, 1734605), (95, 1296389), (155, 794561), (355, 346921), (361, 341155), (589, 209095), (961, 128155), (1349, 91295), (1805, 68231), (2201, 55955), (2945, 41819), (4805, 25631), (6745, 18259), (11005, 11191)]