218720495

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4909}}^1$

素因数の和:5007

約数の個数: 32

約数和(自身を含む): 320524800

約数和(自身を除く): 101804305

約数列:

[1, 5, 7, 19, 35, 67, 95, 133, 335, 469, 665, 1273, 2345, 4909, 6365, 8911, 24545, 34363, 44555, 93271, 171815, 328903, 466355, 652897, 1644515, 2302321, 3264485, 6249157, 11511605, 31245785, 43744099, 218720495]

約数ペア:

[(1, 218720495), (5, 43744099), (7, 31245785), (19, 11511605), (35, 6249157), (67, 3264485), (95, 2302321), (133, 1644515), (335, 652897), (469, 466355), (665, 328903), (1273, 171815), (2345, 93271), (4909, 44555), (6365, 34363), (8911, 24545)]