208714715

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 295196160

約数和(自身を除く): 86481445

約数列:

[1, 5, 11, 19, 55, 67, 95, 121, 209, 271, 335, 605, 737, 1045, 1273, 1355, 2299, 2981, 3685, 5149, 6365, 8107, 11495, 14003, 14905, 18157, 25745, 32791, 40535, 56639, 70015, 90785, 154033, 163955, 199727, 283195, 344983, 623029, 770165, 998635, 1724915, 2196997, 3115145, 3794813, 10984985, 18974065, 41742943, 208714715]

約数ペア:

[(1, 208714715), (5, 41742943), (11, 18974065), (19, 10984985), (55, 3794813), (67, 3115145), (95, 2196997), (121, 1724915), (209, 998635), (271, 770165), (335, 623029), (605, 344983), (737, 283195), (1045, 199727), (1273, 163955), (1355, 154033), (2299, 90785), (2981, 70015), (3685, 56639), (5149, 40535), (6365, 32791), (8107, 25745), (11495, 18157), (14003, 14905)]