81267816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2131}}^1$

素因数の和:2374

約数の個数: 64

約数和(自身を含む): 233326080

約数和(自身を除く): 152058264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 227, 454, 681, 908, 1362, 1589, 1816, 2131, 2724, 3178, 4262, 4767, 5448, 6356, 6393, 8524, 9534, 12712, 12786, 14917, 17048, 19068, 25572, 29834, 38136, 44751, 51144, 59668, 89502, 119336, 179004, 358008, 483737, 967474, 1451211, 1934948, 2902422, 3386159, 3869896, 5804844, 6772318, 10158477, 11609688, 13544636, 20316954, 27089272, 40633908, 81267816]

約数ペア:

[(1, 81267816), (2, 40633908), (3, 27089272), (4, 20316954), (6, 13544636), (7, 11609688), (8, 10158477), (12, 6772318), (14, 5804844), (21, 3869896), (24, 3386159), (28, 2902422), (42, 1934948), (56, 1451211), (84, 967474), (168, 483737), (227, 358008), (454, 179004), (681, 119336), (908, 89502), (1362, 59668), (1589, 51144), (1816, 44751), (2131, 38136), (2724, 29834), (3178, 25572), (4262, 19068), (4767, 17048), (5448, 14917), (6356, 12786), (6393, 12712), (8524, 9534)]