28611737

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 36717120

約数和(自身を除く): 8105383

約数列:

[1, 7, 11, 49, 77, 109, 487, 539, 763, 1199, 3409, 5341, 5357, 8393, 23863, 37499, 53083, 58751, 262493, 371581, 583913, 2601067, 4087391, 28611737]

約数ペア:

[(1, 28611737), (7, 4087391), (11, 2601067), (49, 583913), (77, 371581), (109, 262493), (487, 58751), (539, 53083), (763, 37499), (1199, 23863), (3409, 8393), (5341, 5357)]