68964819

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 120434688

約数和(自身を除く): 51469869

約数列:

[1, 3, 7, 11, 21, 33, 43, 53, 77, 129, 131, 159, 231, 301, 371, 393, 473, 583, 903, 917, 1113, 1419, 1441, 1749, 2279, 2751, 3311, 4081, 4323, 5633, 6837, 6943, 9933, 10087, 12243, 15953, 16899, 20829, 25069, 30261, 39431, 47859, 48601, 61963, 75207, 76373, 118293, 145803, 175483, 185889, 229119, 298549, 433741, 526449, 534611, 895647, 1301223, 1603833, 2089843, 3284039, 6269529, 9852117, 22988273, 68964819]

約数ペア:

[(1, 68964819), (3, 22988273), (7, 9852117), (11, 6269529), (21, 3284039), (33, 2089843), (43, 1603833), (53, 1301223), (77, 895647), (129, 534611), (131, 526449), (159, 433741), (231, 298549), (301, 229119), (371, 185889), (393, 175483), (473, 145803), (583, 118293), (903, 76373), (917, 75207), (1113, 61963), (1419, 48601), (1441, 47859), (1749, 39431), (2279, 30261), (2751, 25069), (3311, 20829), (4081, 16899), (4323, 15953), (5633, 12243), (6837, 10087), (6943, 9933)]