431350205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 640120320

約数和(自身を除く): 208770115

約数列:

[1, 5, 11, 13, 29, 55, 65, 71, 143, 145, 293, 319, 355, 377, 715, 781, 923, 1465, 1595, 1885, 2059, 3223, 3809, 3905, 4147, 4615, 8497, 10153, 10295, 16115, 19045, 20735, 20803, 22649, 26767, 41899, 42485, 50765, 93467, 104015, 110461, 113245, 133835, 209495, 228833, 270439, 294437, 467335, 552305, 603287, 1144165, 1215071, 1352195, 1472185, 2974829, 3016435, 6075355, 6636157, 7842731, 14874145, 33180785, 39213655, 86270041, 431350205]

約数ペア:

[(1, 431350205), (5, 86270041), (11, 39213655), (13, 33180785), (29, 14874145), (55, 7842731), (65, 6636157), (71, 6075355), (143, 3016435), (145, 2974829), (293, 1472185), (319, 1352195), (355, 1215071), (377, 1144165), (715, 603287), (781, 552305), (923, 467335), (1465, 294437), (1595, 270439), (1885, 228833), (2059, 209495), (3223, 133835), (3809, 113245), (3905, 110461), (4147, 104015), (4615, 93467), (8497, 50765), (10153, 42485), (10295, 41899), (16115, 26767), (19045, 22649), (20735, 20803)]