140871458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 275692032

約数和(自身を除く): 134820574

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 73, 91, 146, 161, 182, 299, 322, 461, 511, 598, 922, 949, 1022, 1679, 1898, 2093, 3227, 3358, 4186, 5993, 6454, 6643, 10603, 11753, 11986, 13286, 21206, 21827, 23506, 33653, 41951, 43654, 67306, 74221, 83902, 137839, 148442, 152789, 235571, 275678, 305578, 437489, 471142, 774019, 874978, 964873, 1548038, 1929746, 3062423, 5418133, 6124846, 10062247, 10836266, 20124494, 70435729, 140871458]

約数ペア:

[(1, 140871458), (2, 70435729), (7, 20124494), (13, 10836266), (14, 10062247), (23, 6124846), (26, 5418133), (46, 3062423), (73, 1929746), (91, 1548038), (146, 964873), (161, 874978), (182, 774019), (299, 471142), (322, 437489), (461, 305578), (511, 275678), (598, 235571), (922, 152789), (949, 148442), (1022, 137839), (1679, 83902), (1898, 74221), (2093, 67306), (3227, 43654), (3358, 41951), (4186, 33653), (5993, 23506), (6454, 21827), (6643, 21206), (10603, 13286), (11753, 11986)]