256162465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5059}}^1$

素因数の和:5137

約数の個数: 32

約数和(自身を含む): 357033600

約数和(自身を除く): 100871135

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 533, 779, 1235, 2665, 3895, 5059, 10127, 25295, 50635, 65767, 96121, 207419, 328835, 480605, 1037095, 1249573, 2696447, 3940961, 6247865, 13482235, 19704805, 51232493, 256162465]

約数ペア:

[(1, 256162465), (5, 51232493), (13, 19704805), (19, 13482235), (41, 6247865), (65, 3940961), (95, 2696447), (205, 1249573), (247, 1037095), (533, 480605), (779, 328835), (1235, 207419), (2665, 96121), (3895, 65767), (5059, 50635), (10127, 25295)]