71880042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1999}}^1$

素因数の和:2478

約数の個数: 32

約数和(自身を含む): 155232000

約数和(自身を除く): 83351958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 461, 922, 1383, 1999, 2766, 3998, 5993, 5997, 11986, 11994, 17979, 25987, 35958, 51974, 77961, 155922, 921539, 1843078, 2764617, 5529234, 11980007, 23960014, 35940021, 71880042]

約数ペア:

[(1, 71880042), (2, 35940021), (3, 23960014), (6, 11980007), (13, 5529234), (26, 2764617), (39, 1843078), (78, 921539), (461, 155922), (922, 77961), (1383, 51974), (1999, 35958), (2766, 25987), (3998, 17979), (5993, 11994), (5997, 11986)]