51416638

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 101025792

約数和(自身を除く): 49609154

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 71, 91, 142, 161, 173, 182, 299, 322, 346, 497, 598, 923, 994, 1211, 1633, 1846, 2093, 2249, 2422, 3266, 3979, 4186, 4498, 6461, 7958, 11431, 12283, 12922, 15743, 21229, 22862, 24566, 27853, 31486, 42458, 51727, 55706, 85981, 103454, 148603, 159679, 171962, 282509, 297206, 319358, 362089, 565018, 724178, 1117753, 1977563, 2235506, 3672617, 3955126, 7345234, 25708319, 51416638]

約数ペア:

[(1, 51416638), (2, 25708319), (7, 7345234), (13, 3955126), (14, 3672617), (23, 2235506), (26, 1977563), (46, 1117753), (71, 724178), (91, 565018), (142, 362089), (161, 319358), (173, 297206), (182, 282509), (299, 171962), (322, 159679), (346, 148603), (497, 103454), (598, 85981), (923, 55706), (994, 51727), (1211, 42458), (1633, 31486), (1846, 27853), (2093, 24566), (2249, 22862), (2422, 21229), (3266, 15743), (3979, 12922), (4186, 12283), (4498, 11431), (6461, 7958)]