208025454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2741}}^1$

素因数の和:2905

約数の個数: 64

約数和(自身を含む): 515934720

約数和(自身を除く): 307909266

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 139, 182, 273, 278, 417, 546, 834, 973, 1807, 1946, 2741, 2919, 3614, 5421, 5482, 5838, 8223, 10842, 12649, 16446, 19187, 25298, 35633, 37947, 38374, 57561, 71266, 75894, 106899, 115122, 213798, 249431, 380999, 498862, 748293, 761998, 1142997, 1496586, 2285994, 2666993, 4952987, 5333986, 8000979, 9905974, 14858961, 16001958, 29717922, 34670909, 69341818, 104012727, 208025454]

約数ペア:

[(1, 208025454), (2, 104012727), (3, 69341818), (6, 34670909), (7, 29717922), (13, 16001958), (14, 14858961), (21, 9905974), (26, 8000979), (39, 5333986), (42, 4952987), (78, 2666993), (91, 2285994), (139, 1496586), (182, 1142997), (273, 761998), (278, 748293), (417, 498862), (546, 380999), (834, 249431), (973, 213798), (1807, 115122), (1946, 106899), (2741, 75894), (2919, 71266), (3614, 57561), (5421, 38374), (5482, 37947), (5838, 35633), (8223, 25298), (10842, 19187), (12649, 16446)]