2783152813

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1321}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 3568765440

約数和(自身を除く): 785612627

約数列:

[1, 7, 19, 31, 49, 73, 133, 217, 511, 589, 931, 1321, 1387, 1519, 2263, 3577, 4123, 9247, 9709, 15841, 25099, 28861, 40951, 42997, 64729, 67963, 96433, 110887, 175693, 286657, 300979, 675031, 778069, 1229851, 1832227, 2006599, 2106853, 2989423, 4725217, 5446483, 12825589, 20925961, 38125381, 56799037, 89779123, 146481727, 397593259, 2783152813]

約数ペア:

[(1, 2783152813), (7, 397593259), (19, 146481727), (31, 89779123), (49, 56799037), (73, 38125381), (133, 20925961), (217, 12825589), (511, 5446483), (589, 4725217), (931, 2989423), (1321, 2106853), (1387, 2006599), (1519, 1832227), (2263, 1229851), (3577, 778069), (4123, 675031), (9247, 300979), (9709, 286657), (15841, 175693), (25099, 110887), (28861, 96433), (40951, 67963), (42997, 64729)]