129123468

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{607}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 345246720

約数和(自身を除く): 216123252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 311, 342, 607, 622, 684, 933, 1214, 1244, 1821, 1866, 2428, 2799, 3642, 3732, 5463, 5598, 5909, 7284, 10926, 11196, 11533, 11818, 17727, 21852, 23066, 23636, 34599, 35454, 46132, 53181, 69198, 70908, 103797, 106362, 138396, 188777, 207594, 212724, 377554, 415188, 566331, 755108, 1132662, 1698993, 2265324, 3397986, 3586763, 6795972, 7173526, 10760289, 14347052, 21520578, 32280867, 43041156, 64561734, 129123468]

約数ペア:

[(1, 129123468), (2, 64561734), (3, 43041156), (4, 32280867), (6, 21520578), (9, 14347052), (12, 10760289), (18, 7173526), (19, 6795972), (36, 3586763), (38, 3397986), (57, 2265324), (76, 1698993), (114, 1132662), (171, 755108), (228, 566331), (311, 415188), (342, 377554), (607, 212724), (622, 207594), (684, 188777), (933, 138396), (1214, 106362), (1244, 103797), (1821, 70908), (1866, 69198), (2428, 53181), (2799, 46132), (3642, 35454), (3732, 34599), (5463, 23636), (5598, 23066), (5909, 21852), (7284, 17727), (10926, 11818), (11196, 11533)]