217794204

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{28403}}^1$

素因数の和:28487

約数の個数: 48

約数和(自身を含む): 572624640

約数和(自身を除く): 354830436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 3834, 7668, 28403, 56806, 85209, 113612, 170418, 255627, 340836, 511254, 766881, 1022508, 1533762, 2016613, 3067524, 4033226, 6049839, 8066452, 12099678, 18149517, 24199356, 36299034, 54448551, 72598068, 108897102, 217794204]

約数ペア:

[(1, 217794204), (2, 108897102), (3, 72598068), (4, 54448551), (6, 36299034), (9, 24199356), (12, 18149517), (18, 12099678), (27, 8066452), (36, 6049839), (54, 4033226), (71, 3067524), (108, 2016613), (142, 1533762), (213, 1022508), (284, 766881), (426, 511254), (639, 340836), (852, 255627), (1278, 170418), (1917, 113612), (2556, 85209), (3834, 56806), (7668, 28403)]