71909748

素因数分解:

$2^2\times 3^3\times {\mathrm{811}}^1\times {\mathrm{821}}^1$

素因数の和:1645

約数の個数: 48

約数和(自身を含む): 186889920

約数和(自身を除く): 114980172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 811, 821, 1622, 1642, 2433, 2463, 3244, 3284, 4866, 4926, 7299, 7389, 9732, 9852, 14598, 14778, 21897, 22167, 29196, 29556, 43794, 44334, 87588, 88668, 665831, 1331662, 1997493, 2663324, 3994986, 5992479, 7989972, 11984958, 17977437, 23969916, 35954874, 71909748]

約数ペア:

[(1, 71909748), (2, 35954874), (3, 23969916), (4, 17977437), (6, 11984958), (9, 7989972), (12, 5992479), (18, 3994986), (27, 2663324), (36, 1997493), (54, 1331662), (108, 665831), (811, 88668), (821, 87588), (1622, 44334), (1642, 43794), (2433, 29556), (2463, 29196), (3244, 22167), (3284, 21897), (4866, 14778), (4926, 14598), (7299, 9852), (7389, 9732)]